Home / 77,794.97-107,131.18-67,581.38

Finding the Fourth Proportional to 77,794.97, 107,131.18 and 67,581.38

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Solution

The fourth proportional to 77,794.97, 107,131.18 and 67,581.38 is: 93,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,794.97 : 107,131.18 = 67,581.38 : x
  2. Step 2: Convert to fraction form
    77,794.97/107,131.18 = 67,581.38/x
  3. Step 3: Cross multiply
    77,794.97x = 107,131.18 × 67,581.38
  4. Step 4: Simplify right side
    77,794.97x = 7,240,072,985.43
  5. Step 5: Solve for x
    x = 7,240,072,985.43/77,794.97
  6. Step 6: Final answer
    x = 93,066.08

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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.