Home / 93,983.52-129,697.20-51,542.64

Finding the Fourth Proportional to 93,983.52, 129,697.20 and 51,542.64

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Solution

The fourth proportional to 93,983.52, 129,697.20 and 51,542.64 is: 71,128.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,983.52 : 129,697.20 = 51,542.64 : x
  2. Step 2: Convert to fraction form
    93,983.52/129,697.20 = 51,542.64/x
  3. Step 3: Cross multiply
    93,983.52x = 129,697.20 × 51,542.64
  4. Step 4: Simplify right side
    93,983.52x = 6,684,936,088.61
  5. Step 5: Solve for x
    x = 6,684,936,088.61/93,983.52
  6. Step 6: Final answer
    x = 71,128.81

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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.