Home / 83,702.22-125,498.34-47,679.90

Finding the Fourth Proportional to 83,702.22, 125,498.34 and 47,679.90

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Solution

The fourth proportional to 83,702.22, 125,498.34 and 47,679.90 is: 71,488.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,702.22 : 125,498.34 = 47,679.90 : x
  2. Step 2: Convert to fraction form
    83,702.22/125,498.34 = 47,679.90/x
  3. Step 3: Cross multiply
    83,702.22x = 125,498.34 × 47,679.90
  4. Step 4: Simplify right side
    83,702.22x = 5,983,748,301.37
  5. Step 5: Solve for x
    x = 5,983,748,301.37/83,702.22
  6. Step 6: Final answer
    x = 71,488.53

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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.