Home / 99,739.10-149,483.91-49,833.17

Finding the Fourth Proportional to 99,739.10, 149,483.91 and 49,833.17

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Solution

The fourth proportional to 99,739.10, 149,483.91 and 49,833.17 is: 74,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,739.10 : 149,483.91 = 49,833.17 : x
  2. Step 2: Convert to fraction form
    99,739.10/149,483.91 = 49,833.17/x
  3. Step 3: Cross multiply
    99,739.10x = 149,483.91 × 49,833.17
  4. Step 4: Simplify right side
    99,739.10x = 7,449,257,099.29
  5. Step 5: Solve for x
    x = 7,449,257,099.29/99,739.10
  6. Step 6: Final answer
    x = 74,687.43

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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.