Home / 67,690.48-101,533.20-17,770.12

Finding the Fourth Proportional to 67,690.48, 101,533.20 and 17,770.12

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Solution

The fourth proportional to 67,690.48, 101,533.20 and 17,770.12 is: 26,654.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,690.48 : 101,533.20 = 17,770.12 : x
  2. Step 2: Convert to fraction form
    67,690.48/101,533.20 = 17,770.12/x
  3. Step 3: Cross multiply
    67,690.48x = 101,533.20 × 17,770.12
  4. Step 4: Simplify right side
    67,690.48x = 1,804,257,147.98
  5. Step 5: Solve for x
    x = 1,804,257,147.98/67,690.48
  6. Step 6: Final answer
    x = 26,654.52

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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.