Home / 101,401.28-152,037.12-48,705.92

Finding the Fourth Proportional to 101,401.28, 152,037.12 and 48,705.92

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Solution

The fourth proportional to 101,401.28, 152,037.12 and 48,705.92 is: 73,027.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,401.28 : 152,037.12 = 48,705.92 : x
  2. Step 2: Convert to fraction form
    101,401.28/152,037.12 = 48,705.92/x
  3. Step 3: Cross multiply
    101,401.28x = 152,037.12 × 48,705.92
  4. Step 4: Simplify right side
    101,401.28x = 7,405,107,803.75
  5. Step 5: Solve for x
    x = 7,405,107,803.75/101,401.28
  6. Step 6: Final answer
    x = 73,027.75

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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.