Home / 89,825.20-123,953.04-49,539.24

Finding the Fourth Proportional to 89,825.20, 123,953.04 and 49,539.24

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Solution

The fourth proportional to 89,825.20, 123,953.04 and 49,539.24 is: 68,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,825.20 : 123,953.04 = 49,539.24 : x
  2. Step 2: Convert to fraction form
    89,825.20/123,953.04 = 49,539.24/x
  3. Step 3: Cross multiply
    89,825.20x = 123,953.04 × 49,539.24
  4. Step 4: Simplify right side
    89,825.20x = 6,140,539,397.29
  5. Step 5: Solve for x
    x = 6,140,539,397.29/89,825.20
  6. Step 6: Final answer
    x = 68,360.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.