Home / 93,141.60-128,537.48-50,700.18

Finding the Fourth Proportional to 93,141.60, 128,537.48 and 50,700.18

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Solution

The fourth proportional to 93,141.60, 128,537.48 and 50,700.18 is: 69,967.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,141.60 : 128,537.48 = 50,700.18 : x
  2. Step 2: Convert to fraction form
    93,141.60/128,537.48 = 50,700.18/x
  3. Step 3: Cross multiply
    93,141.60x = 128,537.48 × 50,700.18
  4. Step 4: Simplify right side
    93,141.60x = 6,516,873,372.75
  5. Step 5: Solve for x
    x = 6,516,873,372.75/93,141.60
  6. Step 6: Final answer
    x = 69,967.38

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Double scale
Find fourth proportional to 93,142.60, 128,538.86 and 50,701.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.