Home / 89,041.48-122,872.60-48,747.52

Finding the Fourth Proportional to 89,041.48, 122,872.60 and 48,747.52

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Solution

The fourth proportional to 89,041.48, 122,872.60 and 48,747.52 is: 67,269.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.48 : 122,872.60 = 48,747.52 : x
  2. Step 2: Convert to fraction form
    89,041.48/122,872.60 = 48,747.52/x
  3. Step 3: Cross multiply
    89,041.48x = 122,872.60 × 48,747.52
  4. Step 4: Simplify right side
    89,041.48x = 5,989,734,525.95
  5. Step 5: Solve for x
    x = 5,989,734,525.95/89,041.48
  6. Step 6: Final answer
    x = 67,269.04

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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.