Home / 89,858.20-134,787.30-54,866.20

Finding the Fourth Proportional to 89,858.20, 134,787.30 and 54,866.20

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Solution

The fourth proportional to 89,858.20, 134,787.30 and 54,866.20 is: 82,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,858.20 : 134,787.30 = 54,866.20 : x
  2. Step 2: Convert to fraction form
    89,858.20/134,787.30 = 54,866.20/x
  3. Step 3: Cross multiply
    89,858.20x = 134,787.30 × 54,866.20
  4. Step 4: Simplify right side
    89,858.20x = 7,395,266,959.26
  5. Step 5: Solve for x
    x = 7,395,266,959.26/89,858.20
  6. Step 6: Final answer
    x = 82,299.30

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1.5x scale

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.