Home / 77,694.34-107,217.12-43,700.26

Finding the Fourth Proportional to 77,694.34, 107,217.12 and 43,700.26

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Solution

The fourth proportional to 77,694.34, 107,217.12 and 43,700.26 is: 60,305.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,694.34 : 107,217.12 = 43,700.26 : x
  2. Step 2: Convert to fraction form
    77,694.34/107,217.12 = 43,700.26/x
  3. Step 3: Cross multiply
    77,694.34x = 107,217.12 × 43,700.26
  4. Step 4: Simplify right side
    77,694.34x = 4,685,416,020.45
  5. Step 5: Solve for x
    x = 4,685,416,020.45/77,694.34
  6. Step 6: Final answer
    x = 60,305.76

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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.