Home / 67,439.07-101,203.74-27,996.21

Finding the Fourth Proportional to 67,439.07, 101,203.74 and 27,996.21

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Solution

The fourth proportional to 67,439.07, 101,203.74 and 27,996.21 is: 42,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,439.07 : 101,203.74 = 27,996.21 : x
  2. Step 2: Convert to fraction form
    67,439.07/101,203.74 = 27,996.21/x
  3. Step 3: Cross multiply
    67,439.07x = 101,203.74 × 27,996.21
  4. Step 4: Simplify right side
    67,439.07x = 2,833,321,157.83
  5. Step 5: Solve for x
    x = 2,833,321,157.83/67,439.07
  6. Step 6: Final answer
    x = 42,013.05

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1.5x scale

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.