Home / 83,531.16-125,304.66-30,236.58

Finding the Fourth Proportional to 83,531.16, 125,304.66 and 30,236.58

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Solution

The fourth proportional to 83,531.16, 125,304.66 and 30,236.58 is: 45,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,531.16 : 125,304.66 = 30,236.58 : x
  2. Step 2: Convert to fraction form
    83,531.16/125,304.66 = 30,236.58/x
  3. Step 3: Cross multiply
    83,531.16x = 125,304.66 × 30,236.58
  4. Step 4: Simplify right side
    83,531.16x = 3,788,784,376.46
  5. Step 5: Solve for x
    x = 3,788,784,376.46/83,531.16
  6. Step 6: Final answer
    x = 45,357.74

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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.