Home / 74,815.82-103,248.33-40,826.18

Finding the Fourth Proportional to 74,815.82, 103,248.33 and 40,826.18

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Solution

The fourth proportional to 74,815.82, 103,248.33 and 40,826.18 is: 56,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,815.82 : 103,248.33 = 40,826.18 : x
  2. Step 2: Convert to fraction form
    74,815.82/103,248.33 = 40,826.18/x
  3. Step 3: Cross multiply
    74,815.82x = 103,248.33 × 40,826.18
  4. Step 4: Simplify right side
    74,815.82x = 4,215,234,184.91
  5. Step 5: Solve for x
    x = 4,215,234,184.91/74,815.82
  6. Step 6: Final answer
    x = 56,341.48

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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.