Home / 73,911.05-101,997.35-42,079.92

Finding the Fourth Proportional to 73,911.05, 101,997.35 and 42,079.92

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Solution

The fourth proportional to 73,911.05, 101,997.35 and 42,079.92 is: 58,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,911.05 : 101,997.35 = 42,079.92 : x
  2. Step 2: Convert to fraction form
    73,911.05/101,997.35 = 42,079.92/x
  3. Step 3: Cross multiply
    73,911.05x = 101,997.35 × 42,079.92
  4. Step 4: Simplify right side
    73,911.05x = 4,292,040,585.21
  5. Step 5: Solve for x
    x = 4,292,040,585.21/73,911.05
  6. Step 6: Final answer
    x = 58,070.35

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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.