Home / 117,249.13-175,881.86-47,128.38

Finding the Fourth Proportional to 117,249.13, 175,881.86 and 47,128.38

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Solution

The fourth proportional to 117,249.13, 175,881.86 and 47,128.38 is: 70,695.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,249.13 : 175,881.86 = 47,128.38 : x
  2. Step 2: Convert to fraction form
    117,249.13/175,881.86 = 47,128.38/x
  3. Step 3: Cross multiply
    117,249.13x = 175,881.86 × 47,128.38
  4. Step 4: Simplify right side
    117,249.13x = 8,289,027,133.19
  5. Step 5: Solve for x
    x = 8,289,027,133.19/117,249.13
  6. Step 6: Final answer
    x = 70,695.85

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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.