Home / 75,278.30-103,885.45-41,284.73

Finding the Fourth Proportional to 75,278.30, 103,885.45 and 41,284.73

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Solution

The fourth proportional to 75,278.30, 103,885.45 and 41,284.73 is: 56,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.30 : 103,885.45 = 41,284.73 : x
  2. Step 2: Convert to fraction form
    75,278.30/103,885.45 = 41,284.73/x
  3. Step 3: Cross multiply
    75,278.30x = 103,885.45 × 41,284.73
  4. Step 4: Simplify right side
    75,278.30x = 4,288,882,754.18
  5. Step 5: Solve for x
    x = 4,288,882,754.18/75,278.30
  6. Step 6: Final answer
    x = 56,973.69

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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.