Home / 67,823.78-101,604.46-38,151.46

Finding the Fourth Proportional to 67,823.78, 101,604.46 and 38,151.46

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Solution

The fourth proportional to 67,823.78, 101,604.46 and 38,151.46 is: 57,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,823.78 : 101,604.46 = 38,151.46 : x
  2. Step 2: Convert to fraction form
    67,823.78/101,604.46 = 38,151.46/x
  3. Step 3: Cross multiply
    67,823.78x = 101,604.46 × 38,151.46
  4. Step 4: Simplify right side
    67,823.78x = 3,876,358,491.51
  5. Step 5: Solve for x
    x = 3,876,358,491.51/67,823.78
  6. Step 6: Final answer
    x = 57,153.38

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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.