Home / 52,305.96-78,429.40-47,842.69

Finding the Fourth Proportional to 52,305.96, 78,429.40 and 47,842.69

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Solution

The fourth proportional to 52,305.96, 78,429.40 and 47,842.69 is: 71,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,305.96 : 78,429.40 = 47,842.69 : x
  2. Step 2: Convert to fraction form
    52,305.96/78,429.40 = 47,842.69/x
  3. Step 3: Cross multiply
    52,305.96x = 78,429.40 × 47,842.69
  4. Step 4: Simplify right side
    52,305.96x = 3,752,273,471.09
  5. Step 5: Solve for x
    x = 3,752,273,471.09/52,305.96
  6. Step 6: Final answer
    x = 71,737.02

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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.