Home / 73,285.38-109,927.77-31,158.90

Finding the Fourth Proportional to 73,285.38, 109,927.77 and 31,158.90

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Solution

The fourth proportional to 73,285.38, 109,927.77 and 31,158.90 is: 46,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,285.38 : 109,927.77 = 31,158.90 : x
  2. Step 2: Convert to fraction form
    73,285.38/109,927.77 = 31,158.90/x
  3. Step 3: Cross multiply
    73,285.38x = 109,927.77 × 31,158.90
  4. Step 4: Simplify right side
    73,285.38x = 3,425,228,392.65
  5. Step 5: Solve for x
    x = 3,425,228,392.65/73,285.38
  6. Step 6: Final answer
    x = 46,738.22

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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.