Home / 55,427.40-83,141.10-54,552.60

Finding the Fourth Proportional to 55,427.40, 83,141.10 and 54,552.60

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Solution

The fourth proportional to 55,427.40, 83,141.10 and 54,552.60 is: 81,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.40 : 83,141.10 = 54,552.60 : x
  2. Step 2: Convert to fraction form
    55,427.40/83,141.10 = 54,552.60/x
  3. Step 3: Cross multiply
    55,427.40x = 83,141.10 × 54,552.60
  4. Step 4: Simplify right side
    55,427.40x = 4,535,563,171.86
  5. Step 5: Solve for x
    x = 4,535,563,171.86/55,427.40
  6. Step 6: Final answer
    x = 81,828.90

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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.