Home / 92,074.95-138,118.27-28,897.57

Finding the Fourth Proportional to 92,074.95, 138,118.27 and 28,897.57

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Solution

The fourth proportional to 92,074.95, 138,118.27 and 28,897.57 is: 43,348.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,074.95 : 138,118.27 = 28,897.57 : x
  2. Step 2: Convert to fraction form
    92,074.95/138,118.27 = 28,897.57/x
  3. Step 3: Cross multiply
    92,074.95x = 138,118.27 × 28,897.57
  4. Step 4: Simplify right side
    92,074.95x = 3,991,282,375.60
  5. Step 5: Solve for x
    x = 3,991,282,375.60/92,074.95
  6. Step 6: Final answer
    x = 43,348.19

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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.