Home / 83,834.64-125,748.64-28,430.64

Finding the Fourth Proportional to 83,834.64, 125,748.64 and 28,430.64

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Solution

The fourth proportional to 83,834.64, 125,748.64 and 28,430.64 is: 42,644.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.64 : 125,748.64 = 28,430.64 : x
  2. Step 2: Convert to fraction form
    83,834.64/125,748.64 = 28,430.64/x
  3. Step 3: Cross multiply
    83,834.64x = 125,748.64 × 28,430.64
  4. Step 4: Simplify right side
    83,834.64x = 3,575,114,314.33
  5. Step 5: Solve for x
    x = 3,575,114,314.33/83,834.64
  6. Step 6: Final answer
    x = 42,644.83

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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.