Home / 121,329.36-181,874.52-58,076.64

Finding the Fourth Proportional to 121,329.36, 181,874.52 and 58,076.64

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Solution

The fourth proportional to 121,329.36, 181,874.52 and 58,076.64 is: 87,057.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,329.36 : 181,874.52 = 58,076.64 : x
  2. Step 2: Convert to fraction form
    121,329.36/181,874.52 = 58,076.64/x
  3. Step 3: Cross multiply
    121,329.36x = 181,874.52 × 58,076.64
  4. Step 4: Simplify right side
    121,329.36x = 10,562,661,023.21
  5. Step 5: Solve for x
    x = 10,562,661,023.21/121,329.36
  6. Step 6: Final answer
    x = 87,057.75

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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.