Home / 83,531.22-125,070.84-61,175.22

Finding the Fourth Proportional to 83,531.22, 125,070.84 and 61,175.22

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Solution

The fourth proportional to 83,531.22, 125,070.84 and 61,175.22 is: 91,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.22 : 125,070.84 = 61,175.22 : x
  2. Step 2: Convert to fraction form
    83,531.22/125,070.84 = 61,175.22/x
  3. Step 3: Cross multiply
    83,531.22x = 125,070.84 × 61,175.22
  4. Step 4: Simplify right side
    83,531.22x = 7,651,236,152.58
  5. Step 5: Solve for x
    x = 7,651,236,152.58/83,531.22
  6. Step 6: Final answer
    x = 91,597.32

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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.