Home / 74,135.33-111,248.66-29,148.77

Finding the Fourth Proportional to 74,135.33, 111,248.66 and 29,148.77

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Solution

The fourth proportional to 74,135.33, 111,248.66 and 29,148.77 is: 43,741.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,135.33 : 111,248.66 = 29,148.77 : x
  2. Step 2: Convert to fraction form
    74,135.33/111,248.66 = 29,148.77/x
  3. Step 3: Cross multiply
    74,135.33x = 111,248.66 × 29,148.77
  4. Step 4: Simplify right side
    74,135.33x = 3,242,761,119.78
  5. Step 5: Solve for x
    x = 3,242,761,119.78/74,135.33
  6. Step 6: Final answer
    x = 43,741.10

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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.