Home / 81,118.46-121,689.34-24,963.32

Finding the Fourth Proportional to 81,118.46, 121,689.34 and 24,963.32

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Solution

The fourth proportional to 81,118.46, 121,689.34 and 24,963.32 is: 37,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,118.46 : 121,689.34 = 24,963.32 : x
  2. Step 2: Convert to fraction form
    81,118.46/121,689.34 = 24,963.32/x
  3. Step 3: Cross multiply
    81,118.46x = 121,689.34 × 24,963.32
  4. Step 4: Simplify right side
    81,118.46x = 3,037,770,176.82
  5. Step 5: Solve for x
    x = 3,037,770,176.82/81,118.46
  6. Step 6: Final answer
    x = 37,448.57

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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.