Home / 88,905.46-122,691.58-54,937.25

Finding the Fourth Proportional to 88,905.46, 122,691.58 and 54,937.25

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Solution

The fourth proportional to 88,905.46, 122,691.58 and 54,937.25 is: 75,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,905.46 : 122,691.58 = 54,937.25 : x
  2. Step 2: Convert to fraction form
    88,905.46/122,691.58 = 54,937.25/x
  3. Step 3: Cross multiply
    88,905.46x = 122,691.58 × 54,937.25
  4. Step 4: Simplify right side
    88,905.46x = 6,740,337,389.90
  5. Step 5: Solve for x
    x = 6,740,337,389.90/88,905.46
  6. Step 6: Final answer
    x = 75,814.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.