Home / 68,943.51-95,139.90-38,732.13

Finding the Fourth Proportional to 68,943.51, 95,139.90 and 38,732.13

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Solution

The fourth proportional to 68,943.51, 95,139.90 and 38,732.13 is: 53,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.51 : 95,139.90 = 38,732.13 : x
  2. Step 2: Convert to fraction form
    68,943.51/95,139.90 = 38,732.13/x
  3. Step 3: Cross multiply
    68,943.51x = 95,139.90 × 38,732.13
  4. Step 4: Simplify right side
    68,943.51x = 3,684,970,974.99
  5. Step 5: Solve for x
    x = 3,684,970,974.99/68,943.51
  6. Step 6: Final answer
    x = 53,449.14

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1.5x scale

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.