Home / 61,686.96-92,516.60-28,375.04

Finding the Fourth Proportional to 61,686.96, 92,516.60 and 28,375.04

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Solution

The fourth proportional to 61,686.96, 92,516.60 and 28,375.04 is: 42,556.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.96 : 92,516.60 = 28,375.04 : x
  2. Step 2: Convert to fraction form
    61,686.96/92,516.60 = 28,375.04/x
  3. Step 3: Cross multiply
    61,686.96x = 92,516.60 × 28,375.04
  4. Step 4: Simplify right side
    61,686.96x = 2,625,162,225.66
  5. Step 5: Solve for x
    x = 2,625,162,225.66/61,686.96
  6. Step 6: Final answer
    x = 42,556.19

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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.