Home / 54,285.34-81,400.23-22,686.78

Finding the Fourth Proportional to 54,285.34, 81,400.23 and 22,686.78

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Solution

The fourth proportional to 54,285.34, 81,400.23 and 22,686.78 is: 34,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,285.34 : 81,400.23 = 22,686.78 : x
  2. Step 2: Convert to fraction form
    54,285.34/81,400.23 = 22,686.78/x
  3. Step 3: Cross multiply
    54,285.34x = 81,400.23 × 22,686.78
  4. Step 4: Simplify right side
    54,285.34x = 1,846,709,109.96
  5. Step 5: Solve for x
    x = 1,846,709,109.96/54,285.34
  6. Step 6: Final answer
    x = 34,018.56

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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.