Home / 73,421.15-110,108.43-45,299.03

Finding the Fourth Proportional to 73,421.15, 110,108.43 and 45,299.03

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Solution

The fourth proportional to 73,421.15, 110,108.43 and 45,299.03 is: 67,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,421.15 : 110,108.43 = 45,299.03 : x
  2. Step 2: Convert to fraction form
    73,421.15/110,108.43 = 45,299.03/x
  3. Step 3: Cross multiply
    73,421.15x = 110,108.43 × 45,299.03
  4. Step 4: Simplify right side
    73,421.15x = 4,987,804,523.28
  5. Step 5: Solve for x
    x = 4,987,804,523.28/73,421.15
  6. Step 6: Final answer
    x = 67,934.17

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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.