Home / 91,930.71-126,754.00-66,396.27

Finding the Fourth Proportional to 91,930.71, 126,754.00 and 66,396.27

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Solution

The fourth proportional to 91,930.71, 126,754.00 and 66,396.27 is: 91,547.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,930.71 : 126,754.00 = 66,396.27 : x
  2. Step 2: Convert to fraction form
    91,930.71/126,754.00 = 66,396.27/x
  3. Step 3: Cross multiply
    91,930.71x = 126,754.00 × 66,396.27
  4. Step 4: Simplify right side
    91,930.71x = 8,415,993,116.92
  5. Step 5: Solve for x
    x = 8,415,993,116.92/91,930.71
  6. Step 6: Final answer
    x = 91,547.13

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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.