Home / 78,026.91-107,677.08-44,042.55

Finding the Fourth Proportional to 78,026.91, 107,677.08 and 44,042.55

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Solution

The fourth proportional to 78,026.91, 107,677.08 and 44,042.55 is: 60,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,026.91 : 107,677.08 = 44,042.55 : x
  2. Step 2: Convert to fraction form
    78,026.91/107,677.08 = 44,042.55/x
  3. Step 3: Cross multiply
    78,026.91x = 107,677.08 × 44,042.55
  4. Step 4: Simplify right side
    78,026.91x = 4,742,373,179.75
  5. Step 5: Solve for x
    x = 4,742,373,179.75/78,026.91
  6. Step 6: Final answer
    x = 60,778.69

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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.