Home / 75,663.56-104,390.69-48,823.90

Finding the Fourth Proportional to 75,663.56, 104,390.69 and 48,823.90

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Solution

The fourth proportional to 75,663.56, 104,390.69 and 48,823.90 is: 67,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,663.56 : 104,390.69 = 48,823.90 : x
  2. Step 2: Convert to fraction form
    75,663.56/104,390.69 = 48,823.90/x
  3. Step 3: Cross multiply
    75,663.56x = 104,390.69 × 48,823.90
  4. Step 4: Simplify right side
    75,663.56x = 5,096,760,104.39
  5. Step 5: Solve for x
    x = 5,096,760,104.39/75,663.56
  6. Step 6: Final answer
    x = 67,360.83

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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.