Home / 75,627.68-113,293.89-45,971.96

Finding the Fourth Proportional to 75,627.68, 113,293.89 and 45,971.96

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Solution

The fourth proportional to 75,627.68, 113,293.89 and 45,971.96 is: 68,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,627.68 : 113,293.89 = 45,971.96 : x
  2. Step 2: Convert to fraction form
    75,627.68/113,293.89 = 45,971.96/x
  3. Step 3: Cross multiply
    75,627.68x = 113,293.89 × 45,971.96
  4. Step 4: Simplify right side
    75,627.68x = 5,208,341,612.85
  5. Step 5: Solve for x
    x = 5,208,341,612.85/75,627.68
  6. Step 6: Final answer
    x = 68,868.20

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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.