Home / 54,125.44-74,685.12-31,776.64

Finding the Fourth Proportional to 54,125.44, 74,685.12 and 31,776.64

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Solution

The fourth proportional to 54,125.44, 74,685.12 and 31,776.64 is: 43,847.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,125.44 : 74,685.12 = 31,776.64 : x
  2. Step 2: Convert to fraction form
    54,125.44/74,685.12 = 31,776.64/x
  3. Step 3: Cross multiply
    54,125.44x = 74,685.12 × 31,776.64
  4. Step 4: Simplify right side
    54,125.44x = 2,373,242,171.60
  5. Step 5: Solve for x
    x = 2,373,242,171.60/54,125.44
  6. Step 6: Final answer
    x = 43,847.07

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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.