Home / 91,672.29-126,508.55-51,386.13

Finding the Fourth Proportional to 91,672.29, 126,508.55 and 51,386.13

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Solution

The fourth proportional to 91,672.29, 126,508.55 and 51,386.13 is: 70,913.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,672.29 : 126,508.55 = 51,386.13 : x
  2. Step 2: Convert to fraction form
    91,672.29/126,508.55 = 51,386.13/x
  3. Step 3: Cross multiply
    91,672.29x = 126,508.55 × 51,386.13
  4. Step 4: Simplify right side
    91,672.29x = 6,500,784,539.48
  5. Step 5: Solve for x
    x = 6,500,784,539.48/91,672.29
  6. Step 6: Final answer
    x = 70,913.30

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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.