Home / 99,827.92-137,758.92-55,114.96

Finding the Fourth Proportional to 99,827.92, 137,758.92 and 55,114.96

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Solution

The fourth proportional to 99,827.92, 137,758.92 and 55,114.96 is: 76,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,827.92 : 137,758.92 = 55,114.96 : x
  2. Step 2: Convert to fraction form
    99,827.92/137,758.92 = 55,114.96/x
  3. Step 3: Cross multiply
    99,827.92x = 137,758.92 × 55,114.96
  4. Step 4: Simplify right side
    99,827.92x = 7,592,577,365.44
  5. Step 5: Solve for x
    x = 7,592,577,365.44/99,827.92
  6. Step 6: Final answer
    x = 76,056.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.