Home / 57,613.40-86,367.45-48,785.57

Finding the Fourth Proportional to 57,613.40, 86,367.45 and 48,785.57

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Solution

The fourth proportional to 57,613.40, 86,367.45 and 48,785.57 is: 73,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,613.40 : 86,367.45 = 48,785.57 : x
  2. Step 2: Convert to fraction form
    57,613.40/86,367.45 = 48,785.57/x
  3. Step 3: Cross multiply
    57,613.40x = 86,367.45 × 48,785.57
  4. Step 4: Simplify right side
    57,613.40x = 4,213,485,277.70
  5. Step 5: Solve for x
    x = 4,213,485,277.70/57,613.40
  6. Step 6: Final answer
    x = 73,133.77

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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.