Home / 81,938.25-122,899.14-59,794.88

Finding the Fourth Proportional to 81,938.25, 122,899.14 and 59,794.88

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Solution

The fourth proportional to 81,938.25, 122,899.14 and 59,794.88 is: 89,686.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,938.25 : 122,899.14 = 59,794.88 : x
  2. Step 2: Convert to fraction form
    81,938.25/122,899.14 = 59,794.88/x
  3. Step 3: Cross multiply
    81,938.25x = 122,899.14 × 59,794.88
  4. Step 4: Simplify right side
    81,938.25x = 7,348,738,713.91
  5. Step 5: Solve for x
    x = 7,348,738,713.91/81,938.25
  6. Step 6: Final answer
    x = 89,686.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.