Home / 61,716.39-85,170.27-34,862.86

Finding the Fourth Proportional to 61,716.39, 85,170.27 and 34,862.86

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Solution

The fourth proportional to 61,716.39, 85,170.27 and 34,862.86 is: 48,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,716.39 : 85,170.27 = 34,862.86 : x
  2. Step 2: Convert to fraction form
    61,716.39/85,170.27 = 34,862.86/x
  3. Step 3: Cross multiply
    61,716.39x = 85,170.27 × 34,862.86
  4. Step 4: Simplify right side
    61,716.39x = 2,969,279,199.17
  5. Step 5: Solve for x
    x = 2,969,279,199.17/61,716.39
  6. Step 6: Final answer
    x = 48,111.68

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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.