Home / 87,648.35-120,954.68-47,362.10

Finding the Fourth Proportional to 87,648.35, 120,954.68 and 47,362.10

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Solution

The fourth proportional to 87,648.35, 120,954.68 and 47,362.10 is: 65,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,648.35 : 120,954.68 = 47,362.10 : x
  2. Step 2: Convert to fraction form
    87,648.35/120,954.68 = 47,362.10/x
  3. Step 3: Cross multiply
    87,648.35x = 120,954.68 × 47,362.10
  4. Step 4: Simplify right side
    87,648.35x = 5,728,667,532.82
  5. Step 5: Solve for x
    x = 5,728,667,532.82/87,648.35
  6. Step 6: Final answer
    x = 65,359.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.