Home / 72,305.22-108,624.32-51,297.42

Finding the Fourth Proportional to 72,305.22, 108,624.32 and 51,297.42

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Solution

The fourth proportional to 72,305.22, 108,624.32 and 51,297.42 is: 77,064.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,305.22 : 108,624.32 = 51,297.42 : x
  2. Step 2: Convert to fraction form
    72,305.22/108,624.32 = 51,297.42/x
  3. Step 3: Cross multiply
    72,305.22x = 108,624.32 × 51,297.42
  4. Step 4: Simplify right side
    72,305.22x = 5,572,147,365.25
  5. Step 5: Solve for x
    x = 5,572,147,365.25/72,305.22
  6. Step 6: Final answer
    x = 77,064.25

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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.