Home / 101,822.78-152,823.28-54,475.58

Finding the Fourth Proportional to 101,822.78, 152,823.28 and 54,475.58

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Solution

The fourth proportional to 101,822.78, 152,823.28 and 54,475.58 is: 81,761.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.78 : 152,823.28 = 54,475.58 : x
  2. Step 2: Convert to fraction form
    101,822.78/152,823.28 = 54,475.58/x
  3. Step 3: Cross multiply
    101,822.78x = 152,823.28 × 54,475.58
  4. Step 4: Simplify right side
    101,822.78x = 8,325,136,815.50
  5. Step 5: Solve for x
    x = 8,325,136,815.50/101,822.78
  6. Step 6: Final answer
    x = 81,761.04

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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.