Home / 83,748.31-115,566.67-47,937.80

Finding the Fourth Proportional to 83,748.31, 115,566.67 and 47,937.80

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Solution

The fourth proportional to 83,748.31, 115,566.67 and 47,937.80 is: 66,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,748.31 : 115,566.67 = 47,937.80 : x
  2. Step 2: Convert to fraction form
    83,748.31/115,566.67 = 47,937.80/x
  3. Step 3: Cross multiply
    83,748.31x = 115,566.67 × 47,937.80
  4. Step 4: Simplify right side
    83,748.31x = 5,540,011,913.13
  5. Step 5: Solve for x
    x = 5,540,011,913.13/83,748.31
  6. Step 6: Final answer
    x = 66,150.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.