Home / 74,536.16-111,726.46-30,193.52

Finding the Fourth Proportional to 74,536.16, 111,726.46 and 30,193.52

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Solution

The fourth proportional to 74,536.16, 111,726.46 and 30,193.52 is: 45,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,536.16 : 111,726.46 = 30,193.52 : x
  2. Step 2: Convert to fraction form
    74,536.16/111,726.46 = 30,193.52/x
  3. Step 3: Cross multiply
    74,536.16x = 111,726.46 × 30,193.52
  4. Step 4: Simplify right side
    74,536.16x = 3,373,415,104.54
  5. Step 5: Solve for x
    x = 3,373,415,104.54/74,536.16
  6. Step 6: Final answer
    x = 45,258.77

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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.