Home / 54,639.77-75,408.28-31,977.41

Finding the Fourth Proportional to 54,639.77, 75,408.28 and 31,977.41

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Solution

The fourth proportional to 54,639.77, 75,408.28 and 31,977.41 is: 44,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.77 : 75,408.28 = 31,977.41 : x
  2. Step 2: Convert to fraction form
    54,639.77/75,408.28 = 31,977.41/x
  3. Step 3: Cross multiply
    54,639.77x = 75,408.28 × 31,977.41
  4. Step 4: Simplify right side
    54,639.77x = 2,411,361,218.49
  5. Step 5: Solve for x
    x = 2,411,361,218.49/54,639.77
  6. Step 6: Final answer
    x = 44,131.98

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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.