Home / 74,714.67-112,091.85-30,317.22

Finding the Fourth Proportional to 74,714.67, 112,091.85 and 30,317.22

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Solution

The fourth proportional to 74,714.67, 112,091.85 and 30,317.22 is: 45,483.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,714.67 : 112,091.85 = 30,317.22 : x
  2. Step 2: Convert to fraction form
    74,714.67/112,091.85 = 30,317.22/x
  3. Step 3: Cross multiply
    74,714.67x = 112,091.85 × 30,317.22
  4. Step 4: Simplify right side
    74,714.67x = 3,398,313,276.66
  5. Step 5: Solve for x
    x = 3,398,313,276.66/74,714.67
  6. Step 6: Final answer
    x = 45,483.88

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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.