Home / 62,820.60-86,691.40-34,525.68

Finding the Fourth Proportional to 62,820.60, 86,691.40 and 34,525.68

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Solution

The fourth proportional to 62,820.60, 86,691.40 and 34,525.68 is: 47,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.60 : 86,691.40 = 34,525.68 : x
  2. Step 2: Convert to fraction form
    62,820.60/86,691.40 = 34,525.68/x
  3. Step 3: Cross multiply
    62,820.60x = 86,691.40 × 34,525.68
  4. Step 4: Simplify right side
    62,820.60x = 2,993,079,535.15
  5. Step 5: Solve for x
    x = 2,993,079,535.15/62,820.60
  6. Step 6: Final answer
    x = 47,644.87

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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.