Home / 115,915.80-173,733.30-49,215.90

Finding the Fourth Proportional to 115,915.80, 173,733.30 and 49,215.90

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Solution

The fourth proportional to 115,915.80, 173,733.30 and 49,215.90 is: 73,764.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,915.80 : 173,733.30 = 49,215.90 : x
  2. Step 2: Convert to fraction form
    115,915.80/173,733.30 = 49,215.90/x
  3. Step 3: Cross multiply
    115,915.80x = 173,733.30 × 49,215.90
  4. Step 4: Simplify right side
    115,915.80x = 8,550,440,719.47
  5. Step 5: Solve for x
    x = 8,550,440,719.47/115,915.80
  6. Step 6: Final answer
    x = 73,764.24

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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.