Home / 88,141.97-121,636.08-47,855.61

Finding the Fourth Proportional to 88,141.97, 121,636.08 and 47,855.61

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Solution

The fourth proportional to 88,141.97, 121,636.08 and 47,855.61 is: 66,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,141.97 : 121,636.08 = 47,855.61 : x
  2. Step 2: Convert to fraction form
    88,141.97/121,636.08 = 47,855.61/x
  3. Step 3: Cross multiply
    88,141.97x = 121,636.08 × 47,855.61
  4. Step 4: Simplify right side
    88,141.97x = 5,820,968,806.41
  5. Step 5: Solve for x
    x = 5,820,968,806.41/88,141.97
  6. Step 6: Final answer
    x = 66,040.83

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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.