Home / 99,724.32-149,564.88-29,604.24

Finding the Fourth Proportional to 99,724.32, 149,564.88 and 29,604.24

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Solution

The fourth proportional to 99,724.32, 149,564.88 and 29,604.24 is: 44,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,724.32 : 149,564.88 = 29,604.24 : x
  2. Step 2: Convert to fraction form
    99,724.32/149,564.88 = 29,604.24/x
  3. Step 3: Cross multiply
    99,724.32x = 149,564.88 × 29,604.24
  4. Step 4: Simplify right side
    99,724.32x = 4,427,754,603.09
  5. Step 5: Solve for x
    x = 4,427,754,603.09/99,724.32
  6. Step 6: Final answer
    x = 44,399.95

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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.