Home / 74,874.98-103,326.68-40,883.36

Finding the Fourth Proportional to 74,874.98, 103,326.68 and 40,883.36

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Solution

The fourth proportional to 74,874.98, 103,326.68 and 40,883.36 is: 56,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,874.98 : 103,326.68 = 40,883.36 : x
  2. Step 2: Convert to fraction form
    74,874.98/103,326.68 = 40,883.36/x
  3. Step 3: Cross multiply
    74,874.98x = 103,326.68 × 40,883.36
  4. Step 4: Simplify right side
    74,874.98x = 4,224,341,856.04
  5. Step 5: Solve for x
    x = 4,224,341,856.04/74,874.98
  6. Step 6: Final answer
    x = 56,418.60

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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.