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Finding the Fourth Proportional to 80,386.54, 110,928.02 and 44,575.22

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Solution

The fourth proportional to 80,386.54, 110,928.02 and 44,575.22 is: 61,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,386.54 : 110,928.02 = 44,575.22 : x
  2. Step 2: Convert to fraction form
    80,386.54/110,928.02 = 44,575.22/x
  3. Step 3: Cross multiply
    80,386.54x = 110,928.02 × 44,575.22
  4. Step 4: Simplify right side
    80,386.54x = 4,944,640,950.11
  5. Step 5: Solve for x
    x = 4,944,640,950.11/80,386.54
  6. Step 6: Final answer
    x = 61,510.81

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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.