Home / 70,132.68-105,199.92-23,385.54

Finding the Fourth Proportional to 70,132.68, 105,199.92 and 23,385.54

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Solution

The fourth proportional to 70,132.68, 105,199.92 and 23,385.54 is: 35,078.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.68 : 105,199.92 = 23,385.54 : x
  2. Step 2: Convert to fraction form
    70,132.68/105,199.92 = 23,385.54/x
  3. Step 3: Cross multiply
    70,132.68x = 105,199.92 × 23,385.54
  4. Step 4: Simplify right side
    70,132.68x = 2,460,156,937.16
  5. Step 5: Solve for x
    x = 2,460,156,937.16/70,132.68
  6. Step 6: Final answer
    x = 35,078.61

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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.