Home / 73,569.98-110,354.18-48,721.20

Finding the Fourth Proportional to 73,569.98, 110,354.18 and 48,721.20

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Solution

The fourth proportional to 73,569.98, 110,354.18 and 48,721.20 is: 73,081.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,569.98 : 110,354.18 = 48,721.20 : x
  2. Step 2: Convert to fraction form
    73,569.98/110,354.18 = 48,721.20/x
  3. Step 3: Cross multiply
    73,569.98x = 110,354.18 × 48,721.20
  4. Step 4: Simplify right side
    73,569.98x = 5,376,588,074.62
  5. Step 5: Solve for x
    x = 5,376,588,074.62/73,569.98
  6. Step 6: Final answer
    x = 73,081.28

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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.