Home / 91,427.50-126,164.01-51,134.29

Finding the Fourth Proportional to 91,427.50, 126,164.01 and 51,134.29

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Solution

The fourth proportional to 91,427.50, 126,164.01 and 51,134.29 is: 70,562.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.50 : 126,164.01 = 51,134.29 : x
  2. Step 2: Convert to fraction form
    91,427.50/126,164.01 = 51,134.29/x
  3. Step 3: Cross multiply
    91,427.50x = 126,164.01 × 51,134.29
  4. Step 4: Simplify right side
    91,427.50x = 6,451,306,951.25
  5. Step 5: Solve for x
    x = 6,451,306,951.25/91,427.50
  6. Step 6: Final answer
    x = 70,562.00

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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.