Home / 75,171.24-112,713.06-28,427.76

Finding the Fourth Proportional to 75,171.24, 112,713.06 and 28,427.76

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Solution

The fourth proportional to 75,171.24, 112,713.06 and 28,427.76 is: 42,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.24 : 112,713.06 = 28,427.76 : x
  2. Step 2: Convert to fraction form
    75,171.24/112,713.06 = 28,427.76/x
  3. Step 3: Cross multiply
    75,171.24x = 112,713.06 × 28,427.76
  4. Step 4: Simplify right side
    75,171.24x = 3,204,179,818.55
  5. Step 5: Solve for x
    x = 3,204,179,818.55/75,171.24
  6. Step 6: Final answer
    x = 42,625.08

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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.