Home / 90,472.85-124,850.12-52,231.11

Finding the Fourth Proportional to 90,472.85, 124,850.12 and 52,231.11

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Solution

The fourth proportional to 90,472.85, 124,850.12 and 52,231.11 is: 72,077.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.85 : 124,850.12 = 52,231.11 : x
  2. Step 2: Convert to fraction form
    90,472.85/124,850.12 = 52,231.11/x
  3. Step 3: Cross multiply
    90,472.85x = 124,850.12 × 52,231.11
  4. Step 4: Simplify right side
    90,472.85x = 6,521,060,351.23
  5. Step 5: Solve for x
    x = 6,521,060,351.23/90,472.85
  6. Step 6: Final answer
    x = 72,077.54

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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.