Home / 75,479.84-113,250.51-38,050.70

Finding the Fourth Proportional to 75,479.84, 113,250.51 and 38,050.70

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Solution

The fourth proportional to 75,479.84, 113,250.51 and 38,050.70 is: 57,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.84 : 113,250.51 = 38,050.70 : x
  2. Step 2: Convert to fraction form
    75,479.84/113,250.51 = 38,050.70/x
  3. Step 3: Cross multiply
    75,479.84x = 113,250.51 × 38,050.70
  4. Step 4: Simplify right side
    75,479.84x = 4,309,261,180.86
  5. Step 5: Solve for x
    x = 4,309,261,180.86/75,479.84
  6. Step 6: Final answer
    x = 57,091.55

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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.