Home / 99,734.10-149,476.41-49,828.19

Finding the Fourth Proportional to 99,734.10, 149,476.41 and 49,828.19

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Solution

The fourth proportional to 99,734.10, 149,476.41 and 49,828.19 is: 74,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,734.10 : 149,476.41 = 49,828.19 : x
  2. Step 2: Convert to fraction form
    99,734.10/149,476.41 = 49,828.19/x
  3. Step 3: Cross multiply
    99,734.10x = 149,476.41 × 49,828.19
  4. Step 4: Simplify right side
    99,734.10x = 7,448,138,210.62
  5. Step 5: Solve for x
    x = 7,448,138,210.62/99,734.10
  6. Step 6: Final answer
    x = 74,679.96

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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.