Home / 115,612.32-173,255.48-54,758.03

Finding the Fourth Proportional to 115,612.32, 173,255.48 and 54,758.03

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Solution

The fourth proportional to 115,612.32, 173,255.48 and 54,758.03 is: 82,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,612.32 : 173,255.48 = 54,758.03 : x
  2. Step 2: Convert to fraction form
    115,612.32/173,255.48 = 54,758.03/x
  3. Step 3: Cross multiply
    115,612.32x = 173,255.48 × 54,758.03
  4. Step 4: Simplify right side
    115,612.32x = 9,487,128,497.71
  5. Step 5: Solve for x
    x = 9,487,128,497.71/115,612.32
  6. Step 6: Final answer
    x = 82,059.84

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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.