Home / 83,397.81-125,109.68-28,006.77

Finding the Fourth Proportional to 83,397.81, 125,109.68 and 28,006.77

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Solution

The fourth proportional to 83,397.81, 125,109.68 and 28,006.77 is: 42,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,397.81 : 125,109.68 = 28,006.77 : x
  2. Step 2: Convert to fraction form
    83,397.81/125,109.68 = 28,006.77/x
  3. Step 3: Cross multiply
    83,397.81x = 125,109.68 × 28,006.77
  4. Step 4: Simplify right side
    83,397.81x = 3,503,918,032.53
  5. Step 5: Solve for x
    x = 3,503,918,032.53/83,397.81
  6. Step 6: Final answer
    x = 42,014.51

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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.