Home / 45,557.25-68,371.11-31,615.13

Finding the Fourth Proportional to 45,557.25, 68,371.11 and 31,615.13

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Solution

The fourth proportional to 45,557.25, 68,371.11 and 31,615.13 is: 47,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,557.25 : 68,371.11 = 31,615.13 : x
  2. Step 2: Convert to fraction form
    45,557.25/68,371.11 = 31,615.13/x
  3. Step 3: Cross multiply
    45,557.25x = 68,371.11 × 31,615.13
  4. Step 4: Simplify right side
    45,557.25x = 2,161,561,189.04
  5. Step 5: Solve for x
    x = 2,161,561,189.04/45,557.25
  6. Step 6: Final answer
    x = 47,447.14

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1.5x scale

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.