Home / 93,717.78-129,332.61-51,276.30

Finding the Fourth Proportional to 93,717.78, 129,332.61 and 51,276.30

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Solution

The fourth proportional to 93,717.78, 129,332.61 and 51,276.30 is: 70,762.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,717.78 : 129,332.61 = 51,276.30 : x
  2. Step 2: Convert to fraction form
    93,717.78/129,332.61 = 51,276.30/x
  3. Step 3: Cross multiply
    93,717.78x = 129,332.61 × 51,276.30
  4. Step 4: Simplify right side
    93,717.78x = 6,631,697,710.14
  5. Step 5: Solve for x
    x = 6,631,697,710.14/93,717.78
  6. Step 6: Final answer
    x = 70,762.43

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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.