Home / 83,539.16-125,316.66-30,244.58

Finding the Fourth Proportional to 83,539.16, 125,316.66 and 30,244.58

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Solution

The fourth proportional to 83,539.16, 125,316.66 and 30,244.58 is: 45,369.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.16 : 125,316.66 = 30,244.58 : x
  2. Step 2: Convert to fraction form
    83,539.16/125,316.66 = 30,244.58/x
  3. Step 3: Cross multiply
    83,539.16x = 125,316.66 × 30,244.58
  4. Step 4: Simplify right side
    83,539.16x = 3,790,149,748.70
  5. Step 5: Solve for x
    x = 3,790,149,748.70/83,539.16
  6. Step 6: Final answer
    x = 45,369.74

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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.