Home / 99,132.40-148,708.32-32,569.84

Finding the Fourth Proportional to 99,132.40, 148,708.32 and 32,569.84

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Solution

The fourth proportional to 99,132.40, 148,708.32 and 32,569.84 is: 48,857.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,132.40 : 148,708.32 = 32,569.84 : x
  2. Step 2: Convert to fraction form
    99,132.40/148,708.32 = 32,569.84/x
  3. Step 3: Cross multiply
    99,132.40x = 148,708.32 × 32,569.84
  4. Step 4: Simplify right side
    99,132.40x = 4,843,406,189.07
  5. Step 5: Solve for x
    x = 4,843,406,189.07/99,132.40
  6. Step 6: Final answer
    x = 48,857.95

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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.