Home / 87,375.51-120,577.95-49,657.05

Finding the Fourth Proportional to 87,375.51, 120,577.95 and 49,657.05

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Solution

The fourth proportional to 87,375.51, 120,577.95 and 49,657.05 is: 68,526.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,375.51 : 120,577.95 = 49,657.05 : x
  2. Step 2: Convert to fraction form
    87,375.51/120,577.95 = 49,657.05/x
  3. Step 3: Cross multiply
    87,375.51x = 120,577.95 × 49,657.05
  4. Step 4: Simplify right side
    87,375.51x = 5,987,545,292.05
  5. Step 5: Solve for x
    x = 5,987,545,292.05/87,375.51
  6. Step 6: Final answer
    x = 68,526.58

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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.