Home / 73,285.91-109,933.23-28,307.61

Finding the Fourth Proportional to 73,285.91, 109,933.23 and 28,307.61

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Solution

The fourth proportional to 73,285.91, 109,933.23 and 28,307.61 is: 42,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.91 : 109,933.23 = 28,307.61 : x
  2. Step 2: Convert to fraction form
    73,285.91/109,933.23 = 28,307.61/x
  3. Step 3: Cross multiply
    73,285.91x = 109,933.23 × 28,307.61
  4. Step 4: Simplify right side
    73,285.91x = 3,111,947,204.94
  5. Step 5: Solve for x
    x = 3,111,947,204.94/73,285.91
  6. Step 6: Final answer
    x = 42,463.10

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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.