Home / 117,052.18-161,531.49-63,338.16

Finding the Fourth Proportional to 117,052.18, 161,531.49 and 63,338.16

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Solution

The fourth proportional to 117,052.18, 161,531.49 and 63,338.16 is: 87,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,052.18 : 161,531.49 = 63,338.16 : x
  2. Step 2: Convert to fraction form
    117,052.18/161,531.49 = 63,338.16/x
  3. Step 3: Cross multiply
    117,052.18x = 161,531.49 × 63,338.16
  4. Step 4: Simplify right side
    117,052.18x = 10,231,107,358.66
  5. Step 5: Solve for x
    x = 10,231,107,358.66/117,052.18
  6. Step 6: Final answer
    x = 87,406.38

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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.