Home / 90,472.35-124,849.43-52,230.61

Finding the Fourth Proportional to 90,472.35, 124,849.43 and 52,230.61

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Solution

The fourth proportional to 90,472.35, 124,849.43 and 52,230.61 is: 72,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.35 : 124,849.43 = 52,230.61 : x
  2. Step 2: Convert to fraction form
    90,472.35/124,849.43 = 52,230.61/x
  3. Step 3: Cross multiply
    90,472.35x = 124,849.43 × 52,230.61
  4. Step 4: Simplify right side
    90,472.35x = 6,520,961,574.93
  5. Step 5: Solve for x
    x = 6,520,961,574.93/90,472.35
  6. Step 6: Final answer
    x = 72,076.85

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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.