Home / 107,881.72-148,877.48-60,138.12

Finding the Fourth Proportional to 107,881.72, 148,877.48 and 60,138.12

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Solution

The fourth proportional to 107,881.72, 148,877.48 and 60,138.12 is: 82,991.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,881.72 : 148,877.48 = 60,138.12 : x
  2. Step 2: Convert to fraction form
    107,881.72/148,877.48 = 60,138.12/x
  3. Step 3: Cross multiply
    107,881.72x = 148,877.48 × 60,138.12
  4. Step 4: Simplify right side
    107,881.72x = 8,953,211,757.54
  5. Step 5: Solve for x
    x = 8,953,211,757.54/107,881.72
  6. Step 6: Final answer
    x = 82,991.00

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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.