Home / 107,720.96-148,651.44-59,972.72

Finding the Fourth Proportional to 107,720.96, 148,651.44 and 59,972.72

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Solution

The fourth proportional to 107,720.96, 148,651.44 and 59,972.72 is: 82,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,720.96 : 148,651.44 = 59,972.72 : x
  2. Step 2: Convert to fraction form
    107,720.96/148,651.44 = 59,972.72/x
  3. Step 3: Cross multiply
    107,720.96x = 148,651.44 × 59,972.72
  4. Step 4: Simplify right side
    107,720.96x = 8,915,031,188.72
  5. Step 5: Solve for x
    x = 8,915,031,188.72/107,720.96
  6. Step 6: Final answer
    x = 82,760.41

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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.