Home / 83,348.74-115,021.98-47,540.57

Finding the Fourth Proportional to 83,348.74, 115,021.98 and 47,540.57

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Solution

The fourth proportional to 83,348.74, 115,021.98 and 47,540.57 is: 65,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,348.74 : 115,021.98 = 47,540.57 : x
  2. Step 2: Convert to fraction form
    83,348.74/115,021.98 = 47,540.57/x
  3. Step 3: Cross multiply
    83,348.74x = 115,021.98 × 47,540.57
  4. Step 4: Simplify right side
    83,348.74x = 5,468,210,491.73
  5. Step 5: Solve for x
    x = 5,468,210,491.73/83,348.74
  6. Step 6: Final answer
    x = 65,606.40

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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.