Home / 49,956.77-74,950.14-21,119.06

Finding the Fourth Proportional to 49,956.77, 74,950.14 and 21,119.06

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Solution

The fourth proportional to 49,956.77, 74,950.14 and 21,119.06 is: 31,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,956.77 : 74,950.14 = 21,119.06 : x
  2. Step 2: Convert to fraction form
    49,956.77/74,950.14 = 21,119.06/x
  3. Step 3: Cross multiply
    49,956.77x = 74,950.14 × 21,119.06
  4. Step 4: Simplify right side
    49,956.77x = 1,582,876,503.67
  5. Step 5: Solve for x
    x = 1,582,876,503.67/49,956.77
  6. Step 6: Final answer
    x = 31,684.92

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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.