Home / 82,939.85-124,446.53-43,487.58

Finding the Fourth Proportional to 82,939.85, 124,446.53 and 43,487.58

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Solution

The fourth proportional to 82,939.85, 124,446.53 and 43,487.58 is: 65,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,939.85 : 124,446.53 = 43,487.58 : x
  2. Step 2: Convert to fraction form
    82,939.85/124,446.53 = 43,487.58/x
  3. Step 3: Cross multiply
    82,939.85x = 124,446.53 × 43,487.58
  4. Step 4: Simplify right side
    82,939.85x = 5,411,878,429.10
  5. Step 5: Solve for x
    x = 5,411,878,429.10/82,939.85
  6. Step 6: Final answer
    x = 65,250.64

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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.