Home / 62,138.08-85,752.70-35,279.70

Finding the Fourth Proportional to 62,138.08, 85,752.70 and 35,279.70

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Solution

The fourth proportional to 62,138.08, 85,752.70 and 35,279.70 is: 48,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.08 : 85,752.70 = 35,279.70 : x
  2. Step 2: Convert to fraction form
    62,138.08/85,752.70 = 35,279.70/x
  3. Step 3: Cross multiply
    62,138.08x = 85,752.70 × 35,279.70
  4. Step 4: Simplify right side
    62,138.08x = 3,025,329,530.19
  5. Step 5: Solve for x
    x = 3,025,329,530.19/62,138.08
  6. Step 6: Final answer
    x = 48,687.21

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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.