Home / 77,668.32-107,194.56-47,471.16

Finding the Fourth Proportional to 77,668.32, 107,194.56 and 47,471.16

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Solution

The fourth proportional to 77,668.32, 107,194.56 and 47,471.16 is: 65,517.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,668.32 : 107,194.56 = 47,471.16 : x
  2. Step 2: Convert to fraction form
    77,668.32/107,194.56 = 47,471.16/x
  3. Step 3: Cross multiply
    77,668.32x = 107,194.56 × 47,471.16
  4. Step 4: Simplify right side
    77,668.32x = 5,088,650,108.89
  5. Step 5: Solve for x
    x = 5,088,650,108.89/77,668.32
  6. Step 6: Final answer
    x = 65,517.71

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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.