Home / 70,351.68-105,360-40,707.04

Finding the Fourth Proportional to 70,351.68, 105,360 and 40,707.04

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Solution

The fourth proportional to 70,351.68, 105,360 and 40,707.04 is: 60,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,351.68 : 105,360 = 40,707.04 : x
  2. Step 2: Convert to fraction form
    70,351.68/105,360 = 40,707.04/x
  3. Step 3: Cross multiply
    70,351.68x = 105,360 × 40,707.04
  4. Step 4: Simplify right side
    70,351.68x = 4,288,893,734.40
  5. Step 5: Solve for x
    x = 4,288,893,734.40/70,351.68
  6. Step 6: Final answer
    x = 60,963.63

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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.