Home / 54,838.37-75,671.34-31,864.61

Finding the Fourth Proportional to 54,838.37, 75,671.34 and 31,864.61

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Solution

The fourth proportional to 54,838.37, 75,671.34 and 31,864.61 is: 43,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,838.37 : 75,671.34 = 31,864.61 : x
  2. Step 2: Convert to fraction form
    54,838.37/75,671.34 = 31,864.61/x
  3. Step 3: Cross multiply
    54,838.37x = 75,671.34 × 31,864.61
  4. Step 4: Simplify right side
    54,838.37x = 2,411,237,737.28
  5. Step 5: Solve for x
    x = 2,411,237,737.28/54,838.37
  6. Step 6: Final answer
    x = 43,969.90

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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.