Home / 99,689.92-149,533.44-29,616.64

Finding the Fourth Proportional to 99,689.92, 149,533.44 and 29,616.64

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Solution

The fourth proportional to 99,689.92, 149,533.44 and 29,616.64 is: 44,424.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,689.92 : 149,533.44 = 29,616.64 : x
  2. Step 2: Convert to fraction form
    99,689.92/149,533.44 = 29,616.64/x
  3. Step 3: Cross multiply
    99,689.92x = 149,533.44 × 29,616.64
  4. Step 4: Simplify right side
    99,689.92x = 4,428,678,060.44
  5. Step 5: Solve for x
    x = 4,428,678,060.44/99,689.92
  6. Step 6: Final answer
    x = 44,424.53

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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.