Home / 93,932.09-129,626.28-51,489.71

Finding the Fourth Proportional to 93,932.09, 129,626.28 and 51,489.71

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Solution

The fourth proportional to 93,932.09, 129,626.28 and 51,489.71 is: 71,055.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,932.09 : 129,626.28 = 51,489.71 : x
  2. Step 2: Convert to fraction form
    93,932.09/129,626.28 = 51,489.71/x
  3. Step 3: Cross multiply
    93,932.09x = 129,626.28 × 51,489.71
  4. Step 4: Simplify right side
    93,932.09x = 6,674,418,917.45
  5. Step 5: Solve for x
    x = 6,674,418,917.45/93,932.09
  6. Step 6: Final answer
    x = 71,055.79

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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.