Home / 89,834.64-134,765.82-30,656.46

Finding the Fourth Proportional to 89,834.64, 134,765.82 and 30,656.46

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Solution

The fourth proportional to 89,834.64, 134,765.82 and 30,656.46 is: 45,989.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,834.64 : 134,765.82 = 30,656.46 : x
  2. Step 2: Convert to fraction form
    89,834.64/134,765.82 = 30,656.46/x
  3. Step 3: Cross multiply
    89,834.64x = 134,765.82 × 30,656.46
  4. Step 4: Simplify right side
    89,834.64x = 4,131,442,970.20
  5. Step 5: Solve for x
    x = 4,131,442,970.20/89,834.64
  6. Step 6: Final answer
    x = 45,989.42

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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.