Home / 99,186.59-148,732.98-38,425.32

Finding the Fourth Proportional to 99,186.59, 148,732.98 and 38,425.32

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Solution

The fourth proportional to 99,186.59, 148,732.98 and 38,425.32 is: 57,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,186.59 : 148,732.98 = 38,425.32 : x
  2. Step 2: Convert to fraction form
    99,186.59/148,732.98 = 38,425.32/x
  3. Step 3: Cross multiply
    99,186.59x = 148,732.98 × 38,425.32
  4. Step 4: Simplify right side
    99,186.59x = 5,715,112,351.05
  5. Step 5: Solve for x
    x = 5,715,112,351.05/99,186.59
  6. Step 6: Final answer
    x = 57,619.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.