Home / 87,070.88-120,159.24-49,344.32

Finding the Fourth Proportional to 87,070.88, 120,159.24 and 49,344.32

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Solution

The fourth proportional to 87,070.88, 120,159.24 and 49,344.32 is: 68,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,070.88 : 120,159.24 = 49,344.32 : x
  2. Step 2: Convert to fraction form
    87,070.88/120,159.24 = 49,344.32/x
  3. Step 3: Cross multiply
    87,070.88x = 120,159.24 × 49,344.32
  4. Step 4: Simplify right side
    87,070.88x = 5,929,175,989.52
  5. Step 5: Solve for x
    x = 5,929,175,989.52/87,070.88
  6. Step 6: Final answer
    x = 68,095.97

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1.5x scale

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.