Home / 96,218.15-132,781.21-53,776.64

Finding the Fourth Proportional to 96,218.15, 132,781.21 and 53,776.64

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Solution

The fourth proportional to 96,218.15, 132,781.21 and 53,776.64 is: 74,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,218.15 : 132,781.21 = 53,776.64 : x
  2. Step 2: Convert to fraction form
    96,218.15/132,781.21 = 53,776.64/x
  3. Step 3: Cross multiply
    96,218.15x = 132,781.21 × 53,776.64
  4. Step 4: Simplify right side
    96,218.15x = 7,140,527,526.45
  5. Step 5: Solve for x
    x = 7,140,527,526.45/96,218.15
  6. Step 6: Final answer
    x = 74,211.86

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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.