Home / 83,360.09-115,034.67-47,549.35

Finding the Fourth Proportional to 83,360.09, 115,034.67 and 47,549.35

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Solution

The fourth proportional to 83,360.09, 115,034.67 and 47,549.35 is: 65,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,360.09 : 115,034.67 = 47,549.35 : x
  2. Step 2: Convert to fraction form
    83,360.09/115,034.67 = 47,549.35/x
  3. Step 3: Cross multiply
    83,360.09x = 115,034.67 × 47,549.35
  4. Step 4: Simplify right side
    83,360.09x = 5,469,823,785.96
  5. Step 5: Solve for x
    x = 5,469,823,785.96/83,360.09
  6. Step 6: Final answer
    x = 65,616.82

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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.