Home / 115,719.18-173,592.66-40,823.88

Finding the Fourth Proportional to 115,719.18, 173,592.66 and 40,823.88

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Solution

The fourth proportional to 115,719.18, 173,592.66 and 40,823.88 is: 61,240.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,719.18 : 173,592.66 = 40,823.88 : x
  2. Step 2: Convert to fraction form
    115,719.18/173,592.66 = 40,823.88/x
  3. Step 3: Cross multiply
    115,719.18x = 173,592.66 × 40,823.88
  4. Step 4: Simplify right side
    115,719.18x = 7,086,725,920.72
  5. Step 5: Solve for x
    x = 7,086,725,920.72/115,719.18
  6. Step 6: Final answer
    x = 61,240.72

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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.