Home / 67,380.39-101,070.15-17,460.36

Finding the Fourth Proportional to 67,380.39, 101,070.15 and 17,460.36

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Solution

The fourth proportional to 67,380.39, 101,070.15 and 17,460.36 is: 26,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,380.39 : 101,070.15 = 17,460.36 : x
  2. Step 2: Convert to fraction form
    67,380.39/101,070.15 = 17,460.36/x
  3. Step 3: Cross multiply
    67,380.39x = 101,070.15 × 17,460.36
  4. Step 4: Simplify right side
    67,380.39x = 1,764,721,204.25
  5. Step 5: Solve for x
    x = 1,764,721,204.25/67,380.39
  6. Step 6: Final answer
    x = 26,190.43

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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.