Home / 75,502.57-113,341.34-40,510.57

Finding the Fourth Proportional to 75,502.57, 113,341.34 and 40,510.57

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Solution

The fourth proportional to 75,502.57, 113,341.34 and 40,510.57 is: 60,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,502.57 : 113,341.34 = 40,510.57 : x
  2. Step 2: Convert to fraction form
    75,502.57/113,341.34 = 40,510.57/x
  3. Step 3: Cross multiply
    75,502.57x = 113,341.34 × 40,510.57
  4. Step 4: Simplify right side
    75,502.57x = 4,591,522,287.96
  5. Step 5: Solve for x
    x = 4,591,522,287.96/75,502.57
  6. Step 6: Final answer
    x = 60,812.79

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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.