Home / 70,123.62-96,769.80-43,255.38

Finding the Fourth Proportional to 70,123.62, 96,769.80 and 43,255.38

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Solution

The fourth proportional to 70,123.62, 96,769.80 and 43,255.38 is: 59,691.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,123.62 : 96,769.80 = 43,255.38 : x
  2. Step 2: Convert to fraction form
    70,123.62/96,769.80 = 43,255.38/x
  3. Step 3: Cross multiply
    70,123.62x = 96,769.80 × 43,255.38
  4. Step 4: Simplify right side
    70,123.62x = 4,185,814,471.52
  5. Step 5: Solve for x
    x = 4,185,814,471.52/70,123.62
  6. Step 6: Final answer
    x = 59,691.93

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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.