Home / 91,713.92-126,560.76-51,432.08

Finding the Fourth Proportional to 91,713.92, 126,560.76 and 51,432.08

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Solution

The fourth proportional to 91,713.92, 126,560.76 and 51,432.08 is: 70,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713.92 : 126,560.76 = 51,432.08 : x
  2. Step 2: Convert to fraction form
    91,713.92/126,560.76 = 51,432.08/x
  3. Step 3: Cross multiply
    91,713.92x = 126,560.76 × 51,432.08
  4. Step 4: Simplify right side
    91,713.92x = 6,509,283,133.18
  5. Step 5: Solve for x
    x = 6,509,283,133.18/91,713.92
  6. Step 6: Final answer
    x = 70,973.78

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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.