Home / 67,319.47-100,997.93-29,372.05

Finding the Fourth Proportional to 67,319.47, 100,997.93 and 29,372.05

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Solution

The fourth proportional to 67,319.47, 100,997.93 and 29,372.05 is: 44,066.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,319.47 : 100,997.93 = 29,372.05 : x
  2. Step 2: Convert to fraction form
    67,319.47/100,997.93 = 29,372.05/x
  3. Step 3: Cross multiply
    67,319.47x = 100,997.93 × 29,372.05
  4. Step 4: Simplify right side
    67,319.47x = 2,966,516,249.86
  5. Step 5: Solve for x
    x = 2,966,516,249.86/67,319.47
  6. Step 6: Final answer
    x = 44,066.24

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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.