Home / 121,983.06-182,963.78-43,093.38

Finding the Fourth Proportional to 121,983.06, 182,963.78 and 43,093.38

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Solution

The fourth proportional to 121,983.06, 182,963.78 and 43,093.38 is: 64,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,983.06 : 182,963.78 = 43,093.38 : x
  2. Step 2: Convert to fraction form
    121,983.06/182,963.78 = 43,093.38/x
  3. Step 3: Cross multiply
    121,983.06x = 182,963.78 × 43,093.38
  4. Step 4: Simplify right side
    121,983.06x = 7,884,527,697.78
  5. Step 5: Solve for x
    x = 7,884,527,697.78/121,983.06
  6. Step 6: Final answer
    x = 64,636.25

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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.