Home / 107,861.36-148,849.41-60,117.78

Finding the Fourth Proportional to 107,861.36, 148,849.41 and 60,117.78

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Solution

The fourth proportional to 107,861.36, 148,849.41 and 60,117.78 is: 82,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,861.36 : 148,849.41 = 60,117.78 : x
  2. Step 2: Convert to fraction form
    107,861.36/148,849.41 = 60,117.78/x
  3. Step 3: Cross multiply
    107,861.36x = 148,849.41 × 60,117.78
  4. Step 4: Simplify right side
    107,861.36x = 8,948,496,083.51
  5. Step 5: Solve for x
    x = 8,948,496,083.51/107,861.36
  6. Step 6: Final answer
    x = 82,962.95

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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.