Home / 92,288.66-138,439.77-33,124.84

Finding the Fourth Proportional to 92,288.66, 138,439.77 and 33,124.84

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Solution

The fourth proportional to 92,288.66, 138,439.77 and 33,124.84 is: 49,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,288.66 : 138,439.77 = 33,124.84 : x
  2. Step 2: Convert to fraction form
    92,288.66/138,439.77 = 33,124.84/x
  3. Step 3: Cross multiply
    92,288.66x = 138,439.77 × 33,124.84
  4. Step 4: Simplify right side
    92,288.66x = 4,585,794,884.79
  5. Step 5: Solve for x
    x = 4,585,794,884.79/92,288.66
  6. Step 6: Final answer
    x = 49,689.69

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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.