Home / 75,725.51-113,515.92-28,327.74

Finding the Fourth Proportional to 75,725.51, 113,515.92 and 28,327.74

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Solution

The fourth proportional to 75,725.51, 113,515.92 and 28,327.74 is: 42,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.51 : 113,515.92 = 28,327.74 : x
  2. Step 2: Convert to fraction form
    75,725.51/113,515.92 = 28,327.74/x
  3. Step 3: Cross multiply
    75,725.51x = 113,515.92 × 28,327.74
  4. Step 4: Simplify right side
    75,725.51x = 3,215,649,467.62
  5. Step 5: Solve for x
    x = 3,215,649,467.62/75,725.51
  6. Step 6: Final answer
    x = 42,464.55

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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.