Home / 120,975.84-181,443.29-36,715.82

Finding the Fourth Proportional to 120,975.84, 181,443.29 and 36,715.82

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Solution

The fourth proportional to 120,975.84, 181,443.29 and 36,715.82 is: 55,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,975.84 : 181,443.29 = 36,715.82 : x
  2. Step 2: Convert to fraction form
    120,975.84/181,443.29 = 36,715.82/x
  3. Step 3: Cross multiply
    120,975.84x = 181,443.29 × 36,715.82
  4. Step 4: Simplify right side
    120,975.84x = 6,661,838,085.05
  5. Step 5: Solve for x
    x = 6,661,838,085.05/120,975.84
  6. Step 6: Final answer
    x = 55,067.51

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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.