Home / 82,939.62-124,446.15-43,487.31

Finding the Fourth Proportional to 82,939.62, 124,446.15 and 43,487.31

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Solution

The fourth proportional to 82,939.62, 124,446.15 and 43,487.31 is: 65,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.62 : 124,446.15 = 43,487.31 : x
  2. Step 2: Convert to fraction form
    82,939.62/124,446.15 = 43,487.31/x
  3. Step 3: Cross multiply
    82,939.62x = 124,446.15 × 43,487.31
  4. Step 4: Simplify right side
    82,939.62x = 5,411,828,303.36
  5. Step 5: Solve for x
    x = 5,411,828,303.36/82,939.62
  6. Step 6: Final answer
    x = 65,250.22

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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.