Home / 75,865.85-113,797.85-19,700.95

Finding the Fourth Proportional to 75,865.85, 113,797.85 and 19,700.95

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Solution

The fourth proportional to 75,865.85, 113,797.85 and 19,700.95 is: 29,551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.85 : 113,797.85 = 19,700.95 : x
  2. Step 2: Convert to fraction form
    75,865.85/113,797.85 = 19,700.95/x
  3. Step 3: Cross multiply
    75,865.85x = 113,797.85 × 19,700.95
  4. Step 4: Simplify right side
    75,865.85x = 2,241,925,752.96
  5. Step 5: Solve for x
    x = 2,241,925,752.96/75,865.85
  6. Step 6: Final answer
    x = 29,551.19

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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.