Home / 74,987.66-112,481.57-30,029.33

Finding the Fourth Proportional to 74,987.66, 112,481.57 and 30,029.33

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Solution

The fourth proportional to 74,987.66, 112,481.57 and 30,029.33 is: 45,044.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,987.66 : 112,481.57 = 30,029.33 : x
  2. Step 2: Convert to fraction form
    74,987.66/112,481.57 = 30,029.33/x
  3. Step 3: Cross multiply
    74,987.66x = 112,481.57 × 30,029.33
  4. Step 4: Simplify right side
    74,987.66x = 3,377,745,697.11
  5. Step 5: Solve for x
    x = 3,377,745,697.11/74,987.66
  6. Step 6: Final answer
    x = 45,044.02

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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.