Home / 74,863.12-112,294.60-22,272.48

Finding the Fourth Proportional to 74,863.12, 112,294.60 and 22,272.48

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Solution

The fourth proportional to 74,863.12, 112,294.60 and 22,272.48 is: 33,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,863.12 : 112,294.60 = 22,272.48 : x
  2. Step 2: Convert to fraction form
    74,863.12/112,294.60 = 22,272.48/x
  3. Step 3: Cross multiply
    74,863.12x = 112,294.60 × 22,272.48
  4. Step 4: Simplify right side
    74,863.12x = 2,501,079,232.61
  5. Step 5: Solve for x
    x = 2,501,079,232.61/74,863.12
  6. Step 6: Final answer
    x = 33,408.70

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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.