Home / 121,161.99-181,780.05-62,039.49

Finding the Fourth Proportional to 121,161.99, 181,780.05 and 62,039.49

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Solution

The fourth proportional to 121,161.99, 181,780.05 and 62,039.49 is: 93,078.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,161.99 : 181,780.05 = 62,039.49 : x
  2. Step 2: Convert to fraction form
    121,161.99/181,780.05 = 62,039.49/x
  3. Step 3: Cross multiply
    121,161.99x = 181,780.05 × 62,039.49
  4. Step 4: Simplify right side
    121,161.99x = 11,277,541,594.17
  5. Step 5: Solve for x
    x = 11,277,541,594.17/121,161.99
  6. Step 6: Final answer
    x = 93,078.21

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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.