Home / 74,849.24-103,291.68-41,315

Finding the Fourth Proportional to 74,849.24, 103,291.68 and 41,315

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Solution

The fourth proportional to 74,849.24, 103,291.68 and 41,315 is: 57,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,849.24 : 103,291.68 = 41,315 : x
  2. Step 2: Convert to fraction form
    74,849.24/103,291.68 = 41,315/x
  3. Step 3: Cross multiply
    74,849.24x = 103,291.68 × 41,315
  4. Step 4: Simplify right side
    74,849.24x = 4,267,495,759.20
  5. Step 5: Solve for x
    x = 4,267,495,759.20/74,849.24
  6. Step 6: Final answer
    x = 57,014.55

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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.