Home / 89,568.32-134,241.75-45,207.72

Finding the Fourth Proportional to 89,568.32, 134,241.75 and 45,207.72

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Solution

The fourth proportional to 89,568.32, 134,241.75 and 45,207.72 is: 67,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,568.32 : 134,241.75 = 45,207.72 : x
  2. Step 2: Convert to fraction form
    89,568.32/134,241.75 = 45,207.72/x
  3. Step 3: Cross multiply
    89,568.32x = 134,241.75 × 45,207.72
  4. Step 4: Simplify right side
    89,568.32x = 6,068,763,446.31
  5. Step 5: Solve for x
    x = 6,068,763,446.31/89,568.32
  6. Step 6: Final answer
    x = 67,755.70

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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.