Home / 93,760.97-129,385.13-51,311.30

Finding the Fourth Proportional to 93,760.97, 129,385.13 and 51,311.30

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Solution

The fourth proportional to 93,760.97, 129,385.13 and 51,311.30 is: 70,806.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,760.97 : 129,385.13 = 51,311.30 : x
  2. Step 2: Convert to fraction form
    93,760.97/129,385.13 = 51,311.30/x
  3. Step 3: Cross multiply
    93,760.97x = 129,385.13 × 51,311.30
  4. Step 4: Simplify right side
    93,760.97x = 6,638,918,317.49
  5. Step 5: Solve for x
    x = 6,638,918,317.49/93,760.97
  6. Step 6: Final answer
    x = 70,806.85

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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.