Home / 83,700.24-115,458.08-50,146.80

Finding the Fourth Proportional to 83,700.24, 115,458.08 and 50,146.80

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Solution

The fourth proportional to 83,700.24, 115,458.08 and 50,146.80 is: 69,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,700.24 : 115,458.08 = 50,146.80 : x
  2. Step 2: Convert to fraction form
    83,700.24/115,458.08 = 50,146.80/x
  3. Step 3: Cross multiply
    83,700.24x = 115,458.08 × 50,146.80
  4. Step 4: Simplify right side
    83,700.24x = 5,789,853,246.14
  5. Step 5: Solve for x
    x = 5,789,853,246.14/83,700.24
  6. Step 6: Final answer
    x = 69,173.68

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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.