Home / 89,872.48-124,023.20-49,586.60

Finding the Fourth Proportional to 89,872.48, 124,023.20 and 49,586.60

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Solution

The fourth proportional to 89,872.48, 124,023.20 and 49,586.60 is: 68,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.48 : 124,023.20 = 49,586.60 : x
  2. Step 2: Convert to fraction form
    89,872.48/124,023.20 = 49,586.60/x
  3. Step 3: Cross multiply
    89,872.48x = 124,023.20 × 49,586.60
  4. Step 4: Simplify right side
    89,872.48x = 6,149,888,809.12
  5. Step 5: Solve for x
    x = 6,149,888,809.12/89,872.48
  6. Step 6: Final answer
    x = 68,429.05

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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.