Home / 49,643.42-74,464.96-20,060.90

Finding the Fourth Proportional to 49,643.42, 74,464.96 and 20,060.90

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Solution

The fourth proportional to 49,643.42, 74,464.96 and 20,060.90 is: 30,091.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,643.42 : 74,464.96 = 20,060.90 : x
  2. Step 2: Convert to fraction form
    49,643.42/74,464.96 = 20,060.90/x
  3. Step 3: Cross multiply
    49,643.42x = 74,464.96 × 20,060.90
  4. Step 4: Simplify right side
    49,643.42x = 1,493,834,116.06
  5. Step 5: Solve for x
    x = 1,493,834,116.06/49,643.42
  6. Step 6: Final answer
    x = 30,091.28

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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.