Home / 74,686.32-111,990.60-22,088.70

Finding the Fourth Proportional to 74,686.32, 111,990.60 and 22,088.70

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Solution

The fourth proportional to 74,686.32, 111,990.60 and 22,088.70 is: 33,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,686.32 : 111,990.60 = 22,088.70 : x
  2. Step 2: Convert to fraction form
    74,686.32/111,990.60 = 22,088.70/x
  3. Step 3: Cross multiply
    74,686.32x = 111,990.60 × 22,088.70
  4. Step 4: Simplify right side
    74,686.32x = 2,473,726,766.22
  5. Step 5: Solve for x
    x = 2,473,726,766.22/74,686.32
  6. Step 6: Final answer
    x = 33,121.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.