Home / 91,711.46-126,508.06-57,665.98

Finding the Fourth Proportional to 91,711.46, 126,508.06 and 57,665.98

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Solution

The fourth proportional to 91,711.46, 126,508.06 and 57,665.98 is: 79,545.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,711.46 : 126,508.06 = 57,665.98 : x
  2. Step 2: Convert to fraction form
    91,711.46/126,508.06 = 57,665.98/x
  3. Step 3: Cross multiply
    91,711.46x = 126,508.06 × 57,665.98
  4. Step 4: Simplify right side
    91,711.46x = 7,295,211,257.80
  5. Step 5: Solve for x
    x = 7,295,211,257.80/91,711.46
  6. Step 6: Final answer
    x = 79,545.25

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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.