Home / 74,834.98-103,269.04-40,842.61

Finding the Fourth Proportional to 74,834.98, 103,269.04 and 40,842.61

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Solution

The fourth proportional to 74,834.98, 103,269.04 and 40,842.61 is: 56,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,834.98 : 103,269.04 = 40,842.61 : x
  2. Step 2: Convert to fraction form
    74,834.98/103,269.04 = 40,842.61/x
  3. Step 3: Cross multiply
    74,834.98x = 103,269.04 × 40,842.61
  4. Step 4: Simplify right side
    74,834.98x = 4,217,777,125.79
  5. Step 5: Solve for x
    x = 4,217,777,125.79/74,834.98
  6. Step 6: Final answer
    x = 56,361.04

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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.