Home / 75,498.64-113,249.04-28,754.08

Finding the Fourth Proportional to 75,498.64, 113,249.04 and 28,754.08

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Solution

The fourth proportional to 75,498.64, 113,249.04 and 28,754.08 is: 43,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,498.64 : 113,249.04 = 28,754.08 : x
  2. Step 2: Convert to fraction form
    75,498.64/113,249.04 = 28,754.08/x
  3. Step 3: Cross multiply
    75,498.64x = 113,249.04 × 28,754.08
  4. Step 4: Simplify right side
    75,498.64x = 3,256,371,956.08
  5. Step 5: Solve for x
    x = 3,256,371,956.08/75,498.64
  6. Step 6: Final answer
    x = 43,131.53

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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.