Home / 73,748.12-101,781.14-41,921.80

Finding the Fourth Proportional to 73,748.12, 101,781.14 and 41,921.80

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Solution

The fourth proportional to 73,748.12, 101,781.14 and 41,921.80 is: 57,857.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,748.12 : 101,781.14 = 41,921.80 : x
  2. Step 2: Convert to fraction form
    73,748.12/101,781.14 = 41,921.80/x
  3. Step 3: Cross multiply
    73,748.12x = 101,781.14 × 41,921.80
  4. Step 4: Simplify right side
    73,748.12x = 4,266,848,594.85
  5. Step 5: Solve for x
    x = 4,266,848,594.85/73,748.12
  6. Step 6: Final answer
    x = 57,857.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.