Home / 75,451.78-104,123.15-43,186.24

Finding the Fourth Proportional to 75,451.78, 104,123.15 and 43,186.24

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Solution

The fourth proportional to 75,451.78, 104,123.15 and 43,186.24 is: 59,596.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,451.78 : 104,123.15 = 43,186.24 : x
  2. Step 2: Convert to fraction form
    75,451.78/104,123.15 = 43,186.24/x
  3. Step 3: Cross multiply
    75,451.78x = 104,123.15 × 43,186.24
  4. Step 4: Simplify right side
    75,451.78x = 4,496,687,007.32
  5. Step 5: Solve for x
    x = 4,496,687,007.32/75,451.78
  6. Step 6: Final answer
    x = 59,596.83

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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.