Home / 95,111.40-131,257.86-52,669.92

Finding the Fourth Proportional to 95,111.40, 131,257.86 and 52,669.92

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Solution

The fourth proportional to 95,111.40, 131,257.86 and 52,669.92 is: 72,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,111.40 : 131,257.86 = 52,669.92 : x
  2. Step 2: Convert to fraction form
    95,111.40/131,257.86 = 52,669.92/x
  3. Step 3: Cross multiply
    95,111.40x = 131,257.86 × 52,669.92
  4. Step 4: Simplify right side
    95,111.40x = 6,913,340,985.57
  5. Step 5: Solve for x
    x = 6,913,340,985.57/95,111.40
  6. Step 6: Final answer
    x = 72,686.78

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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.