Home / 107,512.48-148,372.08-59,765.20

Finding the Fourth Proportional to 107,512.48, 148,372.08 and 59,765.20

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Solution

The fourth proportional to 107,512.48, 148,372.08 and 59,765.20 is: 82,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,512.48 : 148,372.08 = 59,765.20 : x
  2. Step 2: Convert to fraction form
    107,512.48/148,372.08 = 59,765.20/x
  3. Step 3: Cross multiply
    107,512.48x = 148,372.08 × 59,765.20
  4. Step 4: Simplify right side
    107,512.48x = 8,867,487,035.62
  5. Step 5: Solve for x
    x = 8,867,487,035.62/107,512.48
  6. Step 6: Final answer
    x = 82,478.68

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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.