Home / 67,274.56-100,662.64-42,114.16

Finding the Fourth Proportional to 67,274.56, 100,662.64 and 42,114.16

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Solution

The fourth proportional to 67,274.56, 100,662.64 and 42,114.16 is: 63,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,274.56 : 100,662.64 = 42,114.16 : x
  2. Step 2: Convert to fraction form
    67,274.56/100,662.64 = 42,114.16/x
  3. Step 3: Cross multiply
    67,274.56x = 100,662.64 × 42,114.16
  4. Step 4: Simplify right side
    67,274.56x = 4,239,322,526.98
  5. Step 5: Solve for x
    x = 4,239,322,526.98/67,274.56
  6. Step 6: Final answer
    x = 63,015.24

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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.