Home / 48,529.64-72,751.90-40,278.12

Finding the Fourth Proportional to 48,529.64, 72,751.90 and 40,278.12

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Solution

The fourth proportional to 48,529.64, 72,751.90 and 40,278.12 is: 60,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,529.64 : 72,751.90 = 40,278.12 : x
  2. Step 2: Convert to fraction form
    48,529.64/72,751.90 = 40,278.12/x
  3. Step 3: Cross multiply
    48,529.64x = 72,751.90 × 40,278.12
  4. Step 4: Simplify right side
    48,529.64x = 2,930,309,758.43
  5. Step 5: Solve for x
    x = 2,930,309,758.43/48,529.64
  6. Step 6: Final answer
    x = 60,381.86

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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.