Home / 99,663.14-149,462.21-33,085.40

Finding the Fourth Proportional to 99,663.14, 149,462.21 and 33,085.40

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Solution

The fourth proportional to 99,663.14, 149,462.21 and 33,085.40 is: 49,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,663.14 : 149,462.21 = 33,085.40 : x
  2. Step 2: Convert to fraction form
    99,663.14/149,462.21 = 33,085.40/x
  3. Step 3: Cross multiply
    99,663.14x = 149,462.21 × 33,085.40
  4. Step 4: Simplify right side
    99,663.14x = 4,945,016,338.14
  5. Step 5: Solve for x
    x = 4,945,016,338.14/99,663.14
  6. Step 6: Final answer
    x = 49,617.30

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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.