Home / 107,527.40-161,291.10-77,882.60

Finding the Fourth Proportional to 107,527.40, 161,291.10 and 77,882.60

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Solution

The fourth proportional to 107,527.40, 161,291.10 and 77,882.60 is: 116,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,527.40 : 161,291.10 = 77,882.60 : x
  2. Step 2: Convert to fraction form
    107,527.40/161,291.10 = 77,882.60/x
  3. Step 3: Cross multiply
    107,527.40x = 161,291.10 × 77,882.60
  4. Step 4: Simplify right side
    107,527.40x = 12,561,770,224.86
  5. Step 5: Solve for x
    x = 12,561,770,224.86/107,527.40
  6. Step 6: Final answer
    x = 116,823.90

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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.