Home / 117,306.09-161,883.21-63,591.93

Finding the Fourth Proportional to 117,306.09, 161,883.21 and 63,591.93

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Solution

The fourth proportional to 117,306.09, 161,883.21 and 63,591.93 is: 87,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,306.09 : 161,883.21 = 63,591.93 : x
  2. Step 2: Convert to fraction form
    117,306.09/161,883.21 = 63,591.93/x
  3. Step 3: Cross multiply
    117,306.09x = 161,883.21 × 63,591.93
  4. Step 4: Simplify right side
    117,306.09x = 10,294,465,758.50
  5. Step 5: Solve for x
    x = 10,294,465,758.50/117,306.09
  6. Step 6: Final answer
    x = 87,757.30

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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.