Home / 55,228.05-82,787.40-27,125.10

Finding the Fourth Proportional to 55,228.05, 82,787.40 and 27,125.10

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Solution

The fourth proportional to 55,228.05, 82,787.40 and 27,125.10 is: 40,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.05 : 82,787.40 = 27,125.10 : x
  2. Step 2: Convert to fraction form
    55,228.05/82,787.40 = 27,125.10/x
  3. Step 3: Cross multiply
    55,228.05x = 82,787.40 × 27,125.10
  4. Step 4: Simplify right side
    55,228.05x = 2,245,616,503.74
  5. Step 5: Solve for x
    x = 2,245,616,503.74/55,228.05
  6. Step 6: Final answer
    x = 40,660.80

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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.