Home / 89,358.21-133,997.95-41,986.78

Finding the Fourth Proportional to 89,358.21, 133,997.95 and 41,986.78

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Solution

The fourth proportional to 89,358.21, 133,997.95 and 41,986.78 is: 62,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,358.21 : 133,997.95 = 41,986.78 : x
  2. Step 2: Convert to fraction form
    89,358.21/133,997.95 = 41,986.78/x
  3. Step 3: Cross multiply
    89,358.21x = 133,997.95 × 41,986.78
  4. Step 4: Simplify right side
    89,358.21x = 5,626,142,447.10
  5. Step 5: Solve for x
    x = 5,626,142,447.10/89,358.21
  6. Step 6: Final answer
    x = 62,961.67

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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.