Home / 72,810.09-109,229.72-22,902.75

Finding the Fourth Proportional to 72,810.09, 109,229.72 and 22,902.75

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Solution

The fourth proportional to 72,810.09, 109,229.72 and 22,902.75 is: 34,358.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,810.09 : 109,229.72 = 22,902.75 : x
  2. Step 2: Convert to fraction form
    72,810.09/109,229.72 = 22,902.75/x
  3. Step 3: Cross multiply
    72,810.09x = 109,229.72 × 22,902.75
  4. Step 4: Simplify right side
    72,810.09x = 2,501,660,855.22
  5. Step 5: Solve for x
    x = 2,501,660,855.22/72,810.09
  6. Step 6: Final answer
    x = 34,358.71

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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.