Home / 72,206.11-108,309.44-47,403.10

Finding the Fourth Proportional to 72,206.11, 108,309.44 and 47,403.10

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Solution

The fourth proportional to 72,206.11, 108,309.44 and 47,403.10 is: 71,104.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,206.11 : 108,309.44 = 47,403.10 : x
  2. Step 2: Convert to fraction form
    72,206.11/108,309.44 = 47,403.10/x
  3. Step 3: Cross multiply
    72,206.11x = 108,309.44 × 47,403.10
  4. Step 4: Simplify right side
    72,206.11x = 5,134,203,215.26
  5. Step 5: Solve for x
    x = 5,134,203,215.26/72,206.11
  6. Step 6: Final answer
    x = 71,104.83

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1.5x scale

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.