Home / 79,812.06-119,793.42-40,397.46

Finding the Fourth Proportional to 79,812.06, 119,793.42 and 40,397.46

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Solution

The fourth proportional to 79,812.06, 119,793.42 and 40,397.46 is: 60,634.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812.06 : 119,793.42 = 40,397.46 : x
  2. Step 2: Convert to fraction form
    79,812.06/119,793.42 = 40,397.46/x
  3. Step 3: Cross multiply
    79,812.06x = 119,793.42 × 40,397.46
  4. Step 4: Simplify right side
    79,812.06x = 4,839,349,892.71
  5. Step 5: Solve for x
    x = 4,839,349,892.71/79,812.06
  6. Step 6: Final answer
    x = 60,634.32

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1.5x scale

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.