Home / 67,776.21-101,632.73-36,177.71

Finding the Fourth Proportional to 67,776.21, 101,632.73 and 36,177.71

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Solution

The fourth proportional to 67,776.21, 101,632.73 and 36,177.71 is: 54,249.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,776.21 : 101,632.73 = 36,177.71 : x
  2. Step 2: Convert to fraction form
    67,776.21/101,632.73 = 36,177.71/x
  3. Step 3: Cross multiply
    67,776.21x = 101,632.73 × 36,177.71
  4. Step 4: Simplify right side
    67,776.21x = 3,676,838,743.40
  5. Step 5: Solve for x
    x = 3,676,838,743.40/67,776.21
  6. Step 6: Final answer
    x = 54,249.70

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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.