Home / 47,762.84-71,634.94-45,392.04

Finding the Fourth Proportional to 47,762.84, 71,634.94 and 45,392.04

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Solution

The fourth proportional to 47,762.84, 71,634.94 and 45,392.04 is: 68,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,762.84 : 71,634.94 = 45,392.04 : x
  2. Step 2: Convert to fraction form
    47,762.84/71,634.94 = 45,392.04/x
  3. Step 3: Cross multiply
    47,762.84x = 71,634.94 × 45,392.04
  4. Step 4: Simplify right side
    47,762.84x = 3,251,656,061.88
  5. Step 5: Solve for x
    x = 3,251,656,061.88/47,762.84
  6. Step 6: Final answer
    x = 68,079.20

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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.