Home / 79,812.18-119,792.34-40,397.04

Finding the Fourth Proportional to 79,812.18, 119,792.34 and 40,397.04

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Solution

The fourth proportional to 79,812.18, 119,792.34 and 40,397.04 is: 60,633.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.18 : 119,792.34 = 40,397.04 : x
  2. Step 2: Convert to fraction form
    79,812.18/119,792.34 = 40,397.04/x
  3. Step 3: Cross multiply
    79,812.18x = 119,792.34 × 40,397.04
  4. Step 4: Simplify right side
    79,812.18x = 4,839,255,950.67
  5. Step 5: Solve for x
    x = 4,839,255,950.67/79,812.18
  6. Step 6: Final answer
    x = 60,633.05

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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.