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Finding the Fourth Proportional to 78,094.80, 107,768.52 and 44,104.68

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Solution

The fourth proportional to 78,094.80, 107,768.52 and 44,104.68 is: 60,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.80 : 107,768.52 = 44,104.68 : x
  2. Step 2: Convert to fraction form
    78,094.80/107,768.52 = 44,104.68/x
  3. Step 3: Cross multiply
    78,094.80x = 107,768.52 × 44,104.68
  4. Step 4: Simplify right side
    78,094.80x = 4,753,096,088.67
  5. Step 5: Solve for x
    x = 4,753,096,088.67/78,094.80
  6. Step 6: Final answer
    x = 60,863.16

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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.