Home / 89,995.32-134,963.28-30,829.68

Finding the Fourth Proportional to 89,995.32, 134,963.28 and 30,829.68

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Solution

The fourth proportional to 89,995.32, 134,963.28 and 30,829.68 is: 46,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,995.32 : 134,963.28 = 30,829.68 : x
  2. Step 2: Convert to fraction form
    89,995.32/134,963.28 = 30,829.68/x
  3. Step 3: Cross multiply
    89,995.32x = 134,963.28 × 30,829.68
  4. Step 4: Simplify right side
    89,995.32x = 4,160,874,734.15
  5. Step 5: Solve for x
    x = 4,160,874,734.15/89,995.32
  6. Step 6: Final answer
    x = 46,234.35

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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.