Home / 87,820.16-121,191.48-47,534.61

Finding the Fourth Proportional to 87,820.16, 121,191.48 and 47,534.61

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Solution

The fourth proportional to 87,820.16, 121,191.48 and 47,534.61 is: 65,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,820.16 : 121,191.48 = 47,534.61 : x
  2. Step 2: Convert to fraction form
    87,820.16/121,191.48 = 47,534.61/x
  3. Step 3: Cross multiply
    87,820.16x = 121,191.48 × 47,534.61
  4. Step 4: Simplify right side
    87,820.16x = 5,760,789,737.12
  5. Step 5: Solve for x
    x = 5,760,789,737.12/87,820.16
  6. Step 6: Final answer
    x = 65,597.58

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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.