Home / 85,034.86-117,348.15-47,309.14

Finding the Fourth Proportional to 85,034.86, 117,348.15 and 47,309.14

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Solution

The fourth proportional to 85,034.86, 117,348.15 and 47,309.14 is: 65,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034.86 : 117,348.15 = 47,309.14 : x
  2. Step 2: Convert to fraction form
    85,034.86/117,348.15 = 47,309.14/x
  3. Step 3: Cross multiply
    85,034.86x = 117,348.15 × 47,309.14
  4. Step 4: Simplify right side
    85,034.86x = 5,551,640,057.09
  5. Step 5: Solve for x
    x = 5,551,640,057.09/85,034.86
  6. Step 6: Final answer
    x = 65,286.64

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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.