Home / 99,306.86-148,876.38-43,104.48

Finding the Fourth Proportional to 99,306.86, 148,876.38 and 43,104.48

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Solution

The fourth proportional to 99,306.86, 148,876.38 and 43,104.48 is: 64,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,306.86 : 148,876.38 = 43,104.48 : x
  2. Step 2: Convert to fraction form
    99,306.86/148,876.38 = 43,104.48/x
  3. Step 3: Cross multiply
    99,306.86x = 148,876.38 × 43,104.48
  4. Step 4: Simplify right side
    99,306.86x = 6,417,238,944.18
  5. Step 5: Solve for x
    x = 6,417,238,944.18/99,306.86
  6. Step 6: Final answer
    x = 64,620.30

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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.