Home / 66,335.11-99,550.76-49,739.83

Finding the Fourth Proportional to 66,335.11, 99,550.76 and 49,739.83

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Solution

The fourth proportional to 66,335.11, 99,550.76 and 49,739.83 is: 74,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,335.11 : 99,550.76 = 49,739.83 : x
  2. Step 2: Convert to fraction form
    66,335.11/99,550.76 = 49,739.83/x
  3. Step 3: Cross multiply
    66,335.11x = 99,550.76 × 49,739.83
  4. Step 4: Simplify right side
    66,335.11x = 4,951,637,381.19
  5. Step 5: Solve for x
    x = 4,951,637,381.19/66,335.11
  6. Step 6: Final answer
    x = 74,645.80

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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.