Home / 73,900.08-110,856.23-31,781.16

Finding the Fourth Proportional to 73,900.08, 110,856.23 and 31,781.16

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Solution

The fourth proportional to 73,900.08, 110,856.23 and 31,781.16 is: 47,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,900.08 : 110,856.23 = 31,781.16 : x
  2. Step 2: Convert to fraction form
    73,900.08/110,856.23 = 31,781.16/x
  3. Step 3: Cross multiply
    73,900.08x = 110,856.23 × 31,781.16
  4. Step 4: Simplify right side
    73,900.08x = 3,523,139,542.90
  5. Step 5: Solve for x
    x = 3,523,139,542.90/73,900.08
  6. Step 6: Final answer
    x = 47,674.37

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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.