Home / 77,968.38-116,952.59-25,377.87

Finding the Fourth Proportional to 77,968.38, 116,952.59 and 25,377.87

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Solution

The fourth proportional to 77,968.38, 116,952.59 and 25,377.87 is: 38,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,968.38 : 116,952.59 = 25,377.87 : x
  2. Step 2: Convert to fraction form
    77,968.38/116,952.59 = 25,377.87/x
  3. Step 3: Cross multiply
    77,968.38x = 116,952.59 × 25,377.87
  4. Step 4: Simplify right side
    77,968.38x = 2,968,007,498.29
  5. Step 5: Solve for x
    x = 2,968,007,498.29/77,968.38
  6. Step 6: Final answer
    x = 38,066.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.