Home / 74,490.25-111,700.21-27,072.31

Finding the Fourth Proportional to 74,490.25, 111,700.21 and 27,072.31

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Solution

The fourth proportional to 74,490.25, 111,700.21 and 27,072.31 is: 40,595.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,490.25 : 111,700.21 = 27,072.31 : x
  2. Step 2: Convert to fraction form
    74,490.25/111,700.21 = 27,072.31/x
  3. Step 3: Cross multiply
    74,490.25x = 111,700.21 × 27,072.31
  4. Step 4: Simplify right side
    74,490.25x = 3,023,982,018.32
  5. Step 5: Solve for x
    x = 3,023,982,018.32/74,490.25
  6. Step 6: Final answer
    x = 40,595.68

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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.