Home / 87,852.45-121,234.91-47,565.89

Finding the Fourth Proportional to 87,852.45, 121,234.91 and 47,565.89

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Solution

The fourth proportional to 87,852.45, 121,234.91 and 47,565.89 is: 65,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,852.45 : 121,234.91 = 47,565.89 : x
  2. Step 2: Convert to fraction form
    87,852.45/121,234.91 = 47,565.89/x
  3. Step 3: Cross multiply
    87,852.45x = 121,234.91 × 47,565.89
  4. Step 4: Simplify right side
    87,852.45x = 5,766,645,549.22
  5. Step 5: Solve for x
    x = 5,766,645,549.22/87,852.45
  6. Step 6: Final answer
    x = 65,640.12

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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.