Home / 107,885.16-148,879.35-60,135.66

Finding the Fourth Proportional to 107,885.16, 148,879.35 and 60,135.66

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Solution

The fourth proportional to 107,885.16, 148,879.35 and 60,135.66 is: 82,986.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,885.16 : 148,879.35 = 60,135.66 : x
  2. Step 2: Convert to fraction form
    107,885.16/148,879.35 = 60,135.66/x
  3. Step 3: Cross multiply
    107,885.16x = 148,879.35 × 60,135.66
  4. Step 4: Simplify right side
    107,885.16x = 8,952,957,972.62
  5. Step 5: Solve for x
    x = 8,952,957,972.62/107,885.16
  6. Step 6: Final answer
    x = 82,986.00

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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.