Home / 72,924.48-109,387.22-20,334.42

Finding the Fourth Proportional to 72,924.48, 109,387.22 and 20,334.42

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Solution

The fourth proportional to 72,924.48, 109,387.22 and 20,334.42 is: 30,501.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,924.48 : 109,387.22 = 20,334.42 : x
  2. Step 2: Convert to fraction form
    72,924.48/109,387.22 = 20,334.42/x
  3. Step 3: Cross multiply
    72,924.48x = 109,387.22 × 20,334.42
  4. Step 4: Simplify right side
    72,924.48x = 2,224,325,572.44
  5. Step 5: Solve for x
    x = 2,224,325,572.44/72,924.48
  6. Step 6: Final answer
    x = 30,501.77

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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.