Home / 75,776.06-113,734.20-38,362.42

Finding the Fourth Proportional to 75,776.06, 113,734.20 and 38,362.42

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Solution

The fourth proportional to 75,776.06, 113,734.20 and 38,362.42 is: 57,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,776.06 : 113,734.20 = 38,362.42 : x
  2. Step 2: Convert to fraction form
    75,776.06/113,734.20 = 38,362.42/x
  3. Step 3: Cross multiply
    75,776.06x = 113,734.20 × 38,362.42
  4. Step 4: Simplify right side
    75,776.06x = 4,363,119,148.76
  5. Step 5: Solve for x
    x = 4,363,119,148.76/75,776.06
  6. Step 6: Final answer
    x = 57,579.12

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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.