Home / 51,287.88-77,070.36-48,401.04

Finding the Fourth Proportional to 51,287.88, 77,070.36 and 48,401.04

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Solution

The fourth proportional to 51,287.88, 77,070.36 and 48,401.04 is: 72,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,287.88 : 77,070.36 = 48,401.04 : x
  2. Step 2: Convert to fraction form
    51,287.88/77,070.36 = 48,401.04/x
  3. Step 3: Cross multiply
    51,287.88x = 77,070.36 × 48,401.04
  4. Step 4: Simplify right side
    51,287.88x = 3,730,285,577.17
  5. Step 5: Solve for x
    x = 3,730,285,577.17/51,287.88
  6. Step 6: Final answer
    x = 72,732.30

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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.