Home / 73,679.22-101,677.33-40,145.22

Finding the Fourth Proportional to 73,679.22, 101,677.33 and 40,145.22

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Solution

The fourth proportional to 73,679.22, 101,677.33 and 40,145.22 is: 55,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.22 : 101,677.33 = 40,145.22 : x
  2. Step 2: Convert to fraction form
    73,679.22/101,677.33 = 40,145.22/x
  3. Step 3: Cross multiply
    73,679.22x = 101,677.33 × 40,145.22
  4. Step 4: Simplify right side
    73,679.22x = 4,081,858,781.86
  5. Step 5: Solve for x
    x = 4,081,858,781.86/73,679.22
  6. Step 6: Final answer
    x = 55,400.41

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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.