Home / 93,317.09-128,778.34-50,875.93

Finding the Fourth Proportional to 93,317.09, 128,778.34 and 50,875.93

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Solution

The fourth proportional to 93,317.09, 128,778.34 and 50,875.93 is: 70,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,317.09 : 128,778.34 = 50,875.93 : x
  2. Step 2: Convert to fraction form
    93,317.09/128,778.34 = 50,875.93/x
  3. Step 3: Cross multiply
    93,317.09x = 128,778.34 × 50,875.93
  4. Step 4: Simplify right side
    93,317.09x = 6,551,717,167.46
  5. Step 5: Solve for x
    x = 6,551,717,167.46/93,317.09
  6. Step 6: Final answer
    x = 70,209.19

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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.