Home / 121,814.65-182,721.81-33,081.17

Finding the Fourth Proportional to 121,814.65, 182,721.81 and 33,081.17

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Solution

The fourth proportional to 121,814.65, 182,721.81 and 33,081.17 is: 49,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,814.65 : 182,721.81 = 33,081.17 : x
  2. Step 2: Convert to fraction form
    121,814.65/182,721.81 = 33,081.17/x
  3. Step 3: Cross multiply
    121,814.65x = 182,721.81 × 33,081.17
  4. Step 4: Simplify right side
    121,814.65x = 6,044,651,259.32
  5. Step 5: Solve for x
    x = 6,044,651,259.32/121,814.65
  6. Step 6: Final answer
    x = 49,621.71

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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.