Home / 54,005.28-74,442.41-36,980.09

Finding the Fourth Proportional to 54,005.28, 74,442.41 and 36,980.09

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Solution

The fourth proportional to 54,005.28, 74,442.41 and 36,980.09 is: 50,974.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.28 : 74,442.41 = 36,980.09 : x
  2. Step 2: Convert to fraction form
    54,005.28/74,442.41 = 36,980.09/x
  3. Step 3: Cross multiply
    54,005.28x = 74,442.41 × 36,980.09
  4. Step 4: Simplify right side
    54,005.28x = 2,752,886,882.34
  5. Step 5: Solve for x
    x = 2,752,886,882.34/54,005.28
  6. Step 6: Final answer
    x = 50,974.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.