Home / 72,213.42-108,320.44-47,410.41

Finding the Fourth Proportional to 72,213.42, 108,320.44 and 47,410.41

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Solution

The fourth proportional to 72,213.42, 108,320.44 and 47,410.41 is: 71,115.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,213.42 : 108,320.44 = 47,410.41 : x
  2. Step 2: Convert to fraction form
    72,213.42/108,320.44 = 47,410.41/x
  3. Step 3: Cross multiply
    72,213.42x = 108,320.44 × 47,410.41
  4. Step 4: Simplify right side
    72,213.42x = 5,135,516,848.35
  5. Step 5: Solve for x
    x = 5,135,516,848.35/72,213.42
  6. Step 6: Final answer
    x = 71,115.82

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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.