Home / 57,928.59-79,948.19-35,280.85

Finding the Fourth Proportional to 57,928.59, 79,948.19 and 35,280.85

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Solution

The fourth proportional to 57,928.59, 79,948.19 and 35,280.85 is: 48,691.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,928.59 : 79,948.19 = 35,280.85 : x
  2. Step 2: Convert to fraction form
    57,928.59/79,948.19 = 35,280.85/x
  3. Step 3: Cross multiply
    57,928.59x = 79,948.19 × 35,280.85
  4. Step 4: Simplify right side
    57,928.59x = 2,820,640,099.16
  5. Step 5: Solve for x
    x = 2,820,640,099.16/57,928.59
  6. Step 6: Final answer
    x = 48,691.68

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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.