Home / 74,445.48-102,741.06-40,918.44

Finding the Fourth Proportional to 74,445.48, 102,741.06 and 40,918.44

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Solution

The fourth proportional to 74,445.48, 102,741.06 and 40,918.44 is: 56,470.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,445.48 : 102,741.06 = 40,918.44 : x
  2. Step 2: Convert to fraction form
    74,445.48/102,741.06 = 40,918.44/x
  3. Step 3: Cross multiply
    74,445.48x = 102,741.06 × 40,918.44
  4. Step 4: Simplify right side
    74,445.48x = 4,204,003,899.15
  5. Step 5: Solve for x
    x = 4,204,003,899.15/74,445.48
  6. Step 6: Final answer
    x = 56,470.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.