Home / 49,350.48-68,126.16-31,470

Finding the Fourth Proportional to 49,350.48, 68,126.16 and 31,470

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Solution

The fourth proportional to 49,350.48, 68,126.16 and 31,470 is: 43,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,350.48 : 68,126.16 = 31,470 : x
  2. Step 2: Convert to fraction form
    49,350.48/68,126.16 = 31,470/x
  3. Step 3: Cross multiply
    49,350.48x = 68,126.16 × 31,470
  4. Step 4: Simplify right side
    49,350.48x = 2,143,930,255.20
  5. Step 5: Solve for x
    x = 2,143,930,255.20/49,350.48
  6. Step 6: Final answer
    x = 43,442.95

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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.