Home / 85,229.48-117,671.46-55,028.36

Finding the Fourth Proportional to 85,229.48, 117,671.46 and 55,028.36

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Solution

The fourth proportional to 85,229.48, 117,671.46 and 55,028.36 is: 75,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.48 : 117,671.46 = 55,028.36 : x
  2. Step 2: Convert to fraction form
    85,229.48/117,671.46 = 55,028.36/x
  3. Step 3: Cross multiply
    85,229.48x = 117,671.46 × 55,028.36
  4. Step 4: Simplify right side
    85,229.48x = 6,475,267,462.61
  5. Step 5: Solve for x
    x = 6,475,267,462.61/85,229.48
  6. Step 6: Final answer
    x = 75,974.50

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1.5x scale

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.