Home / 91,829.03-137,612.12-52,304.54

Finding the Fourth Proportional to 91,829.03, 137,612.12 and 52,304.54

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Solution

The fourth proportional to 91,829.03, 137,612.12 and 52,304.54 is: 78,381.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,829.03 : 137,612.12 = 52,304.54 : x
  2. Step 2: Convert to fraction form
    91,829.03/137,612.12 = 52,304.54/x
  3. Step 3: Cross multiply
    91,829.03x = 137,612.12 × 52,304.54
  4. Step 4: Simplify right side
    91,829.03x = 7,197,737,685.44
  5. Step 5: Solve for x
    x = 7,197,737,685.44/91,829.03
  6. Step 6: Final answer
    x = 78,381.95

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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.