Home / 121,315.05-181,994.54-41,348.61

Finding the Fourth Proportional to 121,315.05, 181,994.54 and 41,348.61

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Solution

The fourth proportional to 121,315.05, 181,994.54 and 41,348.61 is: 62,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,315.05 : 181,994.54 = 41,348.61 : x
  2. Step 2: Convert to fraction form
    121,315.05/181,994.54 = 41,348.61/x
  3. Step 3: Cross multiply
    121,315.05x = 181,994.54 × 41,348.61
  4. Step 4: Simplify right side
    121,315.05x = 7,525,221,049.85
  5. Step 5: Solve for x
    x = 7,525,221,049.85/121,315.05
  6. Step 6: Final answer
    x = 62,030.40

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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.