Home / 72,306.15-99,794.43-49,626.51

Finding the Fourth Proportional to 72,306.15, 99,794.43 and 49,626.51

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Solution

The fourth proportional to 72,306.15, 99,794.43 and 49,626.51 is: 68,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,306.15 : 99,794.43 = 49,626.51 : x
  2. Step 2: Convert to fraction form
    72,306.15/99,794.43 = 49,626.51/x
  3. Step 3: Cross multiply
    72,306.15x = 99,794.43 × 49,626.51
  4. Step 4: Simplify right side
    72,306.15x = 4,952,449,278.34
  5. Step 5: Solve for x
    x = 4,952,449,278.34/72,306.15
  6. Step 6: Final answer
    x = 68,492.78

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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.