Home / 83,397.44-125,109.12-28,006.40

Finding the Fourth Proportional to 83,397.44, 125,109.12 and 28,006.40

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Solution

The fourth proportional to 83,397.44, 125,109.12 and 28,006.40 is: 42,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.44 : 125,109.12 = 28,006.40 : x
  2. Step 2: Convert to fraction form
    83,397.44/125,109.12 = 28,006.40/x
  3. Step 3: Cross multiply
    83,397.44x = 125,109.12 × 28,006.40
  4. Step 4: Simplify right side
    83,397.44x = 3,503,856,058.37
  5. Step 5: Solve for x
    x = 3,503,856,058.37/83,397.44
  6. Step 6: Final answer
    x = 42,013.95

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1.5x scale

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.