Home / 71,591.29-98,790.22-41,378.57

Finding the Fourth Proportional to 71,591.29, 98,790.22 and 41,378.57

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Solution

The fourth proportional to 71,591.29, 98,790.22 and 41,378.57 is: 57,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,591.29 : 98,790.22 = 41,378.57 : x
  2. Step 2: Convert to fraction form
    71,591.29/98,790.22 = 41,378.57/x
  3. Step 3: Cross multiply
    71,591.29x = 98,790.22 × 41,378.57
  4. Step 4: Simplify right side
    71,591.29x = 4,087,798,033.59
  5. Step 5: Solve for x
    x = 4,087,798,033.59/71,591.29
  6. Step 6: Final answer
    x = 57,099.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.