Home / 83,168.10-124,817.67-38,772

Finding the Fourth Proportional to 83,168.10, 124,817.67 and 38,772

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Solution

The fourth proportional to 83,168.10, 124,817.67 and 38,772 is: 58,188.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,168.10 : 124,817.67 = 38,772 : x
  2. Step 2: Convert to fraction form
    83,168.10/124,817.67 = 38,772/x
  3. Step 3: Cross multiply
    83,168.10x = 124,817.67 × 38,772
  4. Step 4: Simplify right side
    83,168.10x = 4,839,430,701.24
  5. Step 5: Solve for x
    x = 4,839,430,701.24/83,168.10
  6. Step 6: Final answer
    x = 58,188.54

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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.