Home / 103,721.04-155,546.90-40,524.77

Finding the Fourth Proportional to 103,721.04, 155,546.90 and 40,524.77

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Solution

The fourth proportional to 103,721.04, 155,546.90 and 40,524.77 is: 60,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,721.04 : 155,546.90 = 40,524.77 : x
  2. Step 2: Convert to fraction form
    103,721.04/155,546.90 = 40,524.77/x
  3. Step 3: Cross multiply
    103,721.04x = 155,546.90 × 40,524.77
  4. Step 4: Simplify right side
    103,721.04x = 6,303,502,684.92
  5. Step 5: Solve for x
    x = 6,303,502,684.92/103,721.04
  6. Step 6: Final answer
    x = 60,773.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.