Home / 75,217.32-112,826.10-19,057.44

Finding the Fourth Proportional to 75,217.32, 112,826.10 and 19,057.44

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Solution

The fourth proportional to 75,217.32, 112,826.10 and 19,057.44 is: 28,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,217.32 : 112,826.10 = 19,057.44 : x
  2. Step 2: Convert to fraction form
    75,217.32/112,826.10 = 19,057.44/x
  3. Step 3: Cross multiply
    75,217.32x = 112,826.10 × 19,057.44
  4. Step 4: Simplify right side
    75,217.32x = 2,150,176,631.18
  5. Step 5: Solve for x
    x = 2,150,176,631.18/75,217.32
  6. Step 6: Final answer
    x = 28,586.19

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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.