Home / 99,311.52-148,920.31-36,087.58

Finding the Fourth Proportional to 99,311.52, 148,920.31 and 36,087.58

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Solution

The fourth proportional to 99,311.52, 148,920.31 and 36,087.58 is: 54,114.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.52 : 148,920.31 = 36,087.58 : x
  2. Step 2: Convert to fraction form
    99,311.52/148,920.31 = 36,087.58/x
  3. Step 3: Cross multiply
    99,311.52x = 148,920.31 × 36,087.58
  4. Step 4: Simplify right side
    99,311.52x = 5,374,173,600.75
  5. Step 5: Solve for x
    x = 5,374,173,600.75/99,311.52
  6. Step 6: Final answer
    x = 54,114.30

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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.