Home / 93,122.60-128,505.21-50,681.03

Finding the Fourth Proportional to 93,122.60, 128,505.21 and 50,681.03

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Solution

The fourth proportional to 93,122.60, 128,505.21 and 50,681.03 is: 69,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,122.60 : 128,505.21 = 50,681.03 : x
  2. Step 2: Convert to fraction form
    93,122.60/128,505.21 = 50,681.03/x
  3. Step 3: Cross multiply
    93,122.60x = 128,505.21 × 50,681.03
  4. Step 4: Simplify right side
    93,122.60x = 6,512,776,403.17
  5. Step 5: Solve for x
    x = 6,512,776,403.17/93,122.60
  6. Step 6: Final answer
    x = 69,937.66

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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.