Home / 53,306.20-79,785.71-39,260.70

Finding the Fourth Proportional to 53,306.20, 79,785.71 and 39,260.70

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Solution

The fourth proportional to 53,306.20, 79,785.71 and 39,260.70 is: 58,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,306.20 : 79,785.71 = 39,260.70 : x
  2. Step 2: Convert to fraction form
    53,306.20/79,785.71 = 39,260.70/x
  3. Step 3: Cross multiply
    53,306.20x = 79,785.71 × 39,260.70
  4. Step 4: Simplify right side
    53,306.20x = 3,132,442,775.52
  5. Step 5: Solve for x
    x = 3,132,442,775.52/53,306.20
  6. Step 6: Final answer
    x = 58,763.20

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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.