Home / 75,588.48-104,277.20-48,739.61

Finding the Fourth Proportional to 75,588.48, 104,277.20 and 48,739.61

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Solution

The fourth proportional to 75,588.48, 104,277.20 and 48,739.61 is: 67,238.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,588.48 : 104,277.20 = 48,739.61 : x
  2. Step 2: Convert to fraction form
    75,588.48/104,277.20 = 48,739.61/x
  3. Step 3: Cross multiply
    75,588.48x = 104,277.20 × 48,739.61
  4. Step 4: Simplify right side
    75,588.48x = 5,082,430,059.89
  5. Step 5: Solve for x
    x = 5,082,430,059.89/75,588.48
  6. Step 6: Final answer
    x = 67,238.16

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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.