Home / 115,522.26-172,987.74-65,527.44

Finding the Fourth Proportional to 115,522.26, 172,987.74 and 65,527.44

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Solution

The fourth proportional to 115,522.26, 172,987.74 and 65,527.44 is: 98,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,522.26 : 172,987.74 = 65,527.44 : x
  2. Step 2: Convert to fraction form
    115,522.26/172,987.74 = 65,527.44/x
  3. Step 3: Cross multiply
    115,522.26x = 172,987.74 × 65,527.44
  4. Step 4: Simplify right side
    115,522.26x = 11,335,443,753.59
  5. Step 5: Solve for x
    x = 11,335,443,753.59/115,522.26
  6. Step 6: Final answer
    x = 98,123.46

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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.