Home / 92,789.38-128,049.33-52,502.23

Finding the Fourth Proportional to 92,789.38, 128,049.33 and 52,502.23

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Solution

The fourth proportional to 92,789.38, 128,049.33 and 52,502.23 is: 72,453.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,789.38 : 128,049.33 = 52,502.23 : x
  2. Step 2: Convert to fraction form
    92,789.38/128,049.33 = 52,502.23/x
  3. Step 3: Cross multiply
    92,789.38x = 128,049.33 × 52,502.23
  4. Step 4: Simplify right side
    92,789.38x = 6,722,875,375.01
  5. Step 5: Solve for x
    x = 6,722,875,375.01/92,789.38
  6. Step 6: Final answer
    x = 72,453.07

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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.