Home / 74,123.20-111,199.20-32,003.20

Finding the Fourth Proportional to 74,123.20, 111,199.20 and 32,003.20

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Solution

The fourth proportional to 74,123.20, 111,199.20 and 32,003.20 is: 48,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,123.20 : 111,199.20 = 32,003.20 : x
  2. Step 2: Convert to fraction form
    74,123.20/111,199.20 = 32,003.20/x
  3. Step 3: Cross multiply
    74,123.20x = 111,199.20 × 32,003.20
  4. Step 4: Simplify right side
    74,123.20x = 3,558,730,237.44
  5. Step 5: Solve for x
    x = 3,558,730,237.44/74,123.20
  6. Step 6: Final answer
    x = 48,011.02

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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.