Home / 99,327.80-148,988.38-43,167.91

Finding the Fourth Proportional to 99,327.80, 148,988.38 and 43,167.91

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Solution

The fourth proportional to 99,327.80, 148,988.38 and 43,167.91 is: 64,750.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.80 : 148,988.38 = 43,167.91 : x
  2. Step 2: Convert to fraction form
    99,327.80/148,988.38 = 43,167.91/x
  3. Step 3: Cross multiply
    99,327.80x = 148,988.38 × 43,167.91
  4. Step 4: Simplify right side
    99,327.80x = 6,431,516,763.05
  5. Step 5: Solve for x
    x = 6,431,516,763.05/99,327.80
  6. Step 6: Final answer
    x = 64,750.42

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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.