Home / 63,109.28-94,663.16-18,131.74

Finding the Fourth Proportional to 63,109.28, 94,663.16 and 18,131.74

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Solution

The fourth proportional to 63,109.28, 94,663.16 and 18,131.74 is: 27,197.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,109.28 : 94,663.16 = 18,131.74 : x
  2. Step 2: Convert to fraction form
    63,109.28/94,663.16 = 18,131.74/x
  3. Step 3: Cross multiply
    63,109.28x = 94,663.16 × 18,131.74
  4. Step 4: Simplify right side
    63,109.28x = 1,716,407,862.61
  5. Step 5: Solve for x
    x = 1,716,407,862.61/63,109.28
  6. Step 6: Final answer
    x = 27,197.39

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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.