Home / 77,585.25-107,067.65-42,257.25

Finding the Fourth Proportional to 77,585.25, 107,067.65 and 42,257.25

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Solution

The fourth proportional to 77,585.25, 107,067.65 and 42,257.25 is: 58,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,585.25 : 107,067.65 = 42,257.25 : x
  2. Step 2: Convert to fraction form
    77,585.25/107,067.65 = 42,257.25/x
  3. Step 3: Cross multiply
    77,585.25x = 107,067.65 × 42,257.25
  4. Step 4: Simplify right side
    77,585.25x = 4,524,384,241.68
  5. Step 5: Solve for x
    x = 4,524,384,241.68/77,585.25
  6. Step 6: Final answer
    x = 58,315.01

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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.