Home / 99,042.01-148,428.66-45,616.51

Finding the Fourth Proportional to 99,042.01, 148,428.66 and 45,616.51

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Solution

The fourth proportional to 99,042.01, 148,428.66 and 45,616.51 is: 68,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,042.01 : 148,428.66 = 45,616.51 : x
  2. Step 2: Convert to fraction form
    99,042.01/148,428.66 = 45,616.51/x
  3. Step 3: Cross multiply
    99,042.01x = 148,428.66 × 45,616.51
  4. Step 4: Simplify right side
    99,042.01x = 6,770,796,704.27
  5. Step 5: Solve for x
    x = 6,770,796,704.27/99,042.01
  6. Step 6: Final answer
    x = 68,362.88

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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.