Home / 99,701.97-149,323.32-49,626.96

Finding the Fourth Proportional to 99,701.97, 149,323.32 and 49,626.96

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Solution

The fourth proportional to 99,701.97, 149,323.32 and 49,626.96 is: 74,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,701.97 : 149,323.32 = 49,626.96 : x
  2. Step 2: Convert to fraction form
    99,701.97/149,323.32 = 49,626.96/x
  3. Step 3: Cross multiply
    99,701.97x = 149,323.32 × 49,626.96
  4. Step 4: Simplify right side
    99,701.97x = 7,410,462,428.71
  5. Step 5: Solve for x
    x = 7,410,462,428.71/99,701.97
  6. Step 6: Final answer
    x = 74,326.14

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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.