Home / 82,506.12-123,683.04-29,901.48

Finding the Fourth Proportional to 82,506.12, 123,683.04 and 29,901.48

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Solution

The fourth proportional to 82,506.12, 123,683.04 and 29,901.48 is: 44,824.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,506.12 : 123,683.04 = 29,901.48 : x
  2. Step 2: Convert to fraction form
    82,506.12/123,683.04 = 29,901.48/x
  3. Step 3: Cross multiply
    82,506.12x = 123,683.04 × 29,901.48
  4. Step 4: Simplify right side
    82,506.12x = 3,698,305,946.90
  5. Step 5: Solve for x
    x = 3,698,305,946.90/82,506.12
  6. Step 6: Final answer
    x = 44,824.63

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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.