Home / 54,248.15-74,845.14-35,142.57

Finding the Fourth Proportional to 54,248.15, 74,845.14 and 35,142.57

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Solution

The fourth proportional to 54,248.15, 74,845.14 and 35,142.57 is: 48,485.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,248.15 : 74,845.14 = 35,142.57 : x
  2. Step 2: Convert to fraction form
    54,248.15/74,845.14 = 35,142.57/x
  3. Step 3: Cross multiply
    54,248.15x = 74,845.14 × 35,142.57
  4. Step 4: Simplify right side
    54,248.15x = 2,630,250,571.61
  5. Step 5: Solve for x
    x = 2,630,250,571.61/54,248.15
  6. Step 6: Final answer
    x = 48,485.53

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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.