Home / 44,187.86-66,279.94-30,112.72

Finding the Fourth Proportional to 44,187.86, 66,279.94 and 30,112.72

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Solution

The fourth proportional to 44,187.86, 66,279.94 and 30,112.72 is: 45,167.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,187.86 : 66,279.94 = 30,112.72 : x
  2. Step 2: Convert to fraction form
    44,187.86/66,279.94 = 30,112.72/x
  3. Step 3: Cross multiply
    44,187.86x = 66,279.94 × 30,112.72
  4. Step 4: Simplify right side
    44,187.86x = 1,995,869,274.84
  5. Step 5: Solve for x
    x = 1,995,869,274.84/44,187.86
  6. Step 6: Final answer
    x = 45,167.82

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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.