Home / 55,252.18-82,878.83-30,278.62

Finding the Fourth Proportional to 55,252.18, 82,878.83 and 30,278.62

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Solution

The fourth proportional to 55,252.18, 82,878.83 and 30,278.62 is: 45,418.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.18 : 82,878.83 = 30,278.62 : x
  2. Step 2: Convert to fraction form
    55,252.18/82,878.83 = 30,278.62/x
  3. Step 3: Cross multiply
    55,252.18x = 82,878.83 × 30,278.62
  4. Step 4: Simplify right side
    55,252.18x = 2,509,456,033.83
  5. Step 5: Solve for x
    x = 2,509,456,033.83/55,252.18
  6. Step 6: Final answer
    x = 45,418.23

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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.