Home / 75,035.10-112,516.20-41,719.80

Finding the Fourth Proportional to 75,035.10, 112,516.20 and 41,719.80

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Solution

The fourth proportional to 75,035.10, 112,516.20 and 41,719.80 is: 62,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,035.10 : 112,516.20 = 41,719.80 : x
  2. Step 2: Convert to fraction form
    75,035.10/112,516.20 = 41,719.80/x
  3. Step 3: Cross multiply
    75,035.10x = 112,516.20 × 41,719.80
  4. Step 4: Simplify right side
    75,035.10x = 4,694,153,360.76
  5. Step 5: Solve for x
    x = 4,694,153,360.76/75,035.10
  6. Step 6: Final answer
    x = 62,559.43

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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.