Home / 54,370.58-74,996.84-39,285.38

Finding the Fourth Proportional to 54,370.58, 74,996.84 and 39,285.38

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Solution

The fourth proportional to 54,370.58, 74,996.84 and 39,285.38 is: 54,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.58 : 74,996.84 = 39,285.38 : x
  2. Step 2: Convert to fraction form
    54,370.58/74,996.84 = 39,285.38/x
  3. Step 3: Cross multiply
    54,370.58x = 74,996.84 × 39,285.38
  4. Step 4: Simplify right side
    54,370.58x = 2,946,279,643.90
  5. Step 5: Solve for x
    x = 2,946,279,643.90/54,370.58
  6. Step 6: Final answer
    x = 54,188.86

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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.