Home / 71,883.18-99,199.44-39,618.95

Finding the Fourth Proportional to 71,883.18, 99,199.44 and 39,618.95

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Solution

The fourth proportional to 71,883.18, 99,199.44 and 39,618.95 is: 54,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883.18 : 99,199.44 = 39,618.95 : x
  2. Step 2: Convert to fraction form
    71,883.18/99,199.44 = 39,618.95/x
  3. Step 3: Cross multiply
    71,883.18x = 99,199.44 × 39,618.95
  4. Step 4: Simplify right side
    71,883.18x = 3,930,177,157.39
  5. Step 5: Solve for x
    x = 3,930,177,157.39/71,883.18
  6. Step 6: Final answer
    x = 54,674.50

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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.