Home / 78,586.72-108,451.44-44,597.44

Finding the Fourth Proportional to 78,586.72, 108,451.44 and 44,597.44

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Solution

The fourth proportional to 78,586.72, 108,451.44 and 44,597.44 is: 61,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,586.72 : 108,451.44 = 44,597.44 : x
  2. Step 2: Convert to fraction form
    78,586.72/108,451.44 = 44,597.44/x
  3. Step 3: Cross multiply
    78,586.72x = 108,451.44 × 44,597.44
  4. Step 4: Simplify right side
    78,586.72x = 4,836,656,588.31
  5. Step 5: Solve for x
    x = 4,836,656,588.31/78,586.72
  6. Step 6: Final answer
    x = 61,545.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.