Home / 92,072.95-138,115.27-28,895.57

Finding the Fourth Proportional to 92,072.95, 138,115.27 and 28,895.57

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Solution

The fourth proportional to 92,072.95, 138,115.27 and 28,895.57 is: 43,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,072.95 : 138,115.27 = 28,895.57 : x
  2. Step 2: Convert to fraction form
    92,072.95/138,115.27 = 28,895.57/x
  3. Step 3: Cross multiply
    92,072.95x = 138,115.27 × 28,895.57
  4. Step 4: Simplify right side
    92,072.95x = 3,990,918,761.78
  5. Step 5: Solve for x
    x = 3,990,918,761.78/92,072.95
  6. Step 6: Final answer
    x = 43,345.18

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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.