Home / 49,320.73-68,009.10-31,392.82

Finding the Fourth Proportional to 49,320.73, 68,009.10 and 31,392.82

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Solution

The fourth proportional to 49,320.73, 68,009.10 and 31,392.82 is: 43,288.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,320.73 : 68,009.10 = 31,392.82 : x
  2. Step 2: Convert to fraction form
    49,320.73/68,009.10 = 31,392.82/x
  3. Step 3: Cross multiply
    49,320.73x = 68,009.10 × 31,392.82
  4. Step 4: Simplify right side
    49,320.73x = 2,134,997,434.66
  5. Step 5: Solve for x
    x = 2,134,997,434.66/49,320.73
  6. Step 6: Final answer
    x = 43,288.03

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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.