Home / 74,837.20-112,255.81-27,434.38

Finding the Fourth Proportional to 74,837.20, 112,255.81 and 27,434.38

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Solution

The fourth proportional to 74,837.20, 112,255.81 and 27,434.38 is: 41,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.20 : 112,255.81 = 27,434.38 : x
  2. Step 2: Convert to fraction form
    74,837.20/112,255.81 = 27,434.38/x
  3. Step 3: Cross multiply
    74,837.20x = 112,255.81 × 27,434.38
  4. Step 4: Simplify right side
    74,837.20x = 3,079,668,115.34
  5. Step 5: Solve for x
    x = 3,079,668,115.34/74,837.20
  6. Step 6: Final answer
    x = 41,151.57

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1.5x scale

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.