Home / 91,807.29-126,691.03-51,521.69

Finding the Fourth Proportional to 91,807.29, 126,691.03 and 51,521.69

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Solution

The fourth proportional to 91,807.29, 126,691.03 and 51,521.69 is: 71,098.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,807.29 : 126,691.03 = 51,521.69 : x
  2. Step 2: Convert to fraction form
    91,807.29/126,691.03 = 51,521.69/x
  3. Step 3: Cross multiply
    91,807.29x = 126,691.03 × 51,521.69
  4. Step 4: Simplify right side
    91,807.29x = 6,527,335,973.44
  5. Step 5: Solve for x
    x = 6,527,335,973.44/91,807.29
  6. Step 6: Final answer
    x = 71,098.23

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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.