Home / 92,085.16-138,156.92-32,919.52

Finding the Fourth Proportional to 92,085.16, 138,156.92 and 32,919.52

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Solution

The fourth proportional to 92,085.16, 138,156.92 and 32,919.52 is: 49,389.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,085.16 : 138,156.92 = 32,919.52 : x
  2. Step 2: Convert to fraction form
    92,085.16/138,156.92 = 32,919.52/x
  3. Step 3: Cross multiply
    92,085.16x = 138,156.92 × 32,919.52
  4. Step 4: Simplify right side
    92,085.16x = 4,548,059,491.08
  5. Step 5: Solve for x
    x = 4,548,059,491.08/92,085.16
  6. Step 6: Final answer
    x = 49,389.71

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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.