Home / 99,013.06-148,517.13-28,892.98

Finding the Fourth Proportional to 99,013.06, 148,517.13 and 28,892.98

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Solution

The fourth proportional to 99,013.06, 148,517.13 and 28,892.98 is: 43,338.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,013.06 : 148,517.13 = 28,892.98 : x
  2. Step 2: Convert to fraction form
    99,013.06/148,517.13 = 28,892.98/x
  3. Step 3: Cross multiply
    99,013.06x = 148,517.13 × 28,892.98
  4. Step 4: Simplify right side
    99,013.06x = 4,291,101,724.16
  5. Step 5: Solve for x
    x = 4,291,101,724.16/99,013.06
  6. Step 6: Final answer
    x = 43,338.75

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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.