Home / 275,010.47-412,516.03-75,332.58

Finding the Fourth Proportional to 275,010.47, 412,516.03 and 75,332.58

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Solution

The fourth proportional to 275,010.47, 412,516.03 and 75,332.58 is: 112,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,010.47 : 412,516.03 = 75,332.58 : x
  2. Step 2: Convert to fraction form
    275,010.47/412,516.03 = 75,332.58/x
  3. Step 3: Cross multiply
    275,010.47x = 412,516.03 × 75,332.58
  4. Step 4: Simplify right side
    275,010.47x = 31,075,894,768.68
  5. Step 5: Solve for x
    x = 31,075,894,768.68/275,010.47
  6. Step 6: Final answer
    x = 112,998.95

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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.