Home / 89,120.54-133,695.68-32,960.78

Finding the Fourth Proportional to 89,120.54, 133,695.68 and 32,960.78

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Solution

The fourth proportional to 89,120.54, 133,695.68 and 32,960.78 is: 49,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,120.54 : 133,695.68 = 32,960.78 : x
  2. Step 2: Convert to fraction form
    89,120.54/133,695.68 = 32,960.78/x
  3. Step 3: Cross multiply
    89,120.54x = 133,695.68 × 32,960.78
  4. Step 4: Simplify right side
    89,120.54x = 4,406,713,895.43
  5. Step 5: Solve for x
    x = 4,406,713,895.43/89,120.54
  6. Step 6: Final answer
    x = 49,446.67

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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.