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Finding the Fourth Proportional to 78,335.46, 108,091.53 and 44,794.98

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Solution

The fourth proportional to 78,335.46, 108,091.53 and 44,794.98 is: 61,810.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,335.46 : 108,091.53 = 44,794.98 : x
  2. Step 2: Convert to fraction form
    78,335.46/108,091.53 = 44,794.98/x
  3. Step 3: Cross multiply
    78,335.46x = 108,091.53 × 44,794.98
  4. Step 4: Simplify right side
    78,335.46x = 4,841,957,924.52
  5. Step 5: Solve for x
    x = 4,841,957,924.52/78,335.46
  6. Step 6: Final answer
    x = 61,810.55

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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.