Home / 99,091.87-148,679.49-61,683.23

Finding the Fourth Proportional to 99,091.87, 148,679.49 and 61,683.23

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Solution

The fourth proportional to 99,091.87, 148,679.49 and 61,683.23 is: 92,550.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,091.87 : 148,679.49 = 61,683.23 : x
  2. Step 2: Convert to fraction form
    99,091.87/148,679.49 = 61,683.23/x
  3. Step 3: Cross multiply
    99,091.87x = 148,679.49 × 61,683.23
  4. Step 4: Simplify right side
    99,091.87x = 9,171,031,177.95
  5. Step 5: Solve for x
    x = 9,171,031,177.95/99,091.87
  6. Step 6: Final answer
    x = 92,550.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.