Home / 61,986.08-85,540.28-33,691.68

Finding the Fourth Proportional to 61,986.08, 85,540.28 and 33,691.68

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Solution

The fourth proportional to 61,986.08, 85,540.28 and 33,691.68 is: 46,494.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,986.08 : 85,540.28 = 33,691.68 : x
  2. Step 2: Convert to fraction form
    61,986.08/85,540.28 = 33,691.68/x
  3. Step 3: Cross multiply
    61,986.08x = 85,540.28 × 33,691.68
  4. Step 4: Simplify right side
    61,986.08x = 2,881,995,740.87
  5. Step 5: Solve for x
    x = 2,881,995,740.87/61,986.08
  6. Step 6: Final answer
    x = 46,494.24

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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.