Home / 75,587.48-104,275.82-48,738.61

Finding the Fourth Proportional to 75,587.48, 104,275.82 and 48,738.61

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Solution

The fourth proportional to 75,587.48, 104,275.82 and 48,738.61 is: 67,236.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,587.48 : 104,275.82 = 48,738.61 : x
  2. Step 2: Convert to fraction form
    75,587.48/104,275.82 = 48,738.61/x
  3. Step 3: Cross multiply
    75,587.48x = 104,275.82 × 48,738.61
  4. Step 4: Simplify right side
    75,587.48x = 5,082,258,775.60
  5. Step 5: Solve for x
    x = 5,082,258,775.60/75,587.48
  6. Step 6: Final answer
    x = 67,236.78

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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.