Home / 117,496.12-162,144.49-63,781.13

Finding the Fourth Proportional to 117,496.12, 162,144.49 and 63,781.13

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Solution

The fourth proportional to 117,496.12, 162,144.49 and 63,781.13 is: 88,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.12 : 162,144.49 = 63,781.13 : x
  2. Step 2: Convert to fraction form
    117,496.12/162,144.49 = 63,781.13/x
  3. Step 3: Cross multiply
    117,496.12x = 162,144.49 × 63,781.13
  4. Step 4: Simplify right side
    117,496.12x = 10,341,758,795.47
  5. Step 5: Solve for x
    x = 10,341,758,795.47/117,496.12
  6. Step 6: Final answer
    x = 88,017.87

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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.