Home / 89,397.38-134,093.99-45,012.21

Finding the Fourth Proportional to 89,397.38, 134,093.99 and 45,012.21

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Solution

The fourth proportional to 89,397.38, 134,093.99 and 45,012.21 is: 67,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,397.38 : 134,093.99 = 45,012.21 : x
  2. Step 2: Convert to fraction form
    89,397.38/134,093.99 = 45,012.21/x
  3. Step 3: Cross multiply
    89,397.38x = 134,093.99 × 45,012.21
  4. Step 4: Simplify right side
    89,397.38x = 6,035,866,612.56
  5. Step 5: Solve for x
    x = 6,035,866,612.56/89,397.38
  6. Step 6: Final answer
    x = 67,517.27

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1.5x scale

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.