Home / 83,478.06-125,066.43-55,331.37

Finding the Fourth Proportional to 83,478.06, 125,066.43 and 55,331.37

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Solution

The fourth proportional to 83,478.06, 125,066.43 and 55,331.37 is: 82,897.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,478.06 : 125,066.43 = 55,331.37 : x
  2. Step 2: Convert to fraction form
    83,478.06/125,066.43 = 55,331.37/x
  3. Step 3: Cross multiply
    83,478.06x = 125,066.43 × 55,331.37
  4. Step 4: Simplify right side
    83,478.06x = 6,920,096,912.91
  5. Step 5: Solve for x
    x = 6,920,096,912.91/83,478.06
  6. Step 6: Final answer
    x = 82,897.19

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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.