Home / 87,442.17-130,891.75-47,361.61

Finding the Fourth Proportional to 87,442.17, 130,891.75 and 47,361.61

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Solution

The fourth proportional to 87,442.17, 130,891.75 and 47,361.61 is: 70,895.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,442.17 : 130,891.75 = 47,361.61 : x
  2. Step 2: Convert to fraction form
    87,442.17/130,891.75 = 47,361.61/x
  3. Step 3: Cross multiply
    87,442.17x = 130,891.75 × 47,361.61
  4. Step 4: Simplify right side
    87,442.17x = 6,199,244,015.72
  5. Step 5: Solve for x
    x = 6,199,244,015.72/87,442.17
  6. Step 6: Final answer
    x = 70,895.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.