Home / 89,622.28-134,350.32-39,675.76

Finding the Fourth Proportional to 89,622.28, 134,350.32 and 39,675.76

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Solution

The fourth proportional to 89,622.28, 134,350.32 and 39,675.76 is: 59,476.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,622.28 : 134,350.32 = 39,675.76 : x
  2. Step 2: Convert to fraction form
    89,622.28/134,350.32 = 39,675.76/x
  3. Step 3: Cross multiply
    89,622.28x = 134,350.32 × 39,675.76
  4. Step 4: Simplify right side
    89,622.28x = 5,330,451,052.24
  5. Step 5: Solve for x
    x = 5,330,451,052.24/89,622.28
  6. Step 6: Final answer
    x = 59,476.85

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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.