Home / 89,859.26-134,789.43-39,927.62

Finding the Fourth Proportional to 89,859.26, 134,789.43 and 39,927.62

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Solution

The fourth proportional to 89,859.26, 134,789.43 and 39,927.62 is: 59,891.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,859.26 : 134,789.43 = 39,927.62 : x
  2. Step 2: Convert to fraction form
    89,859.26/134,789.43 = 39,927.62/x
  3. Step 3: Cross multiply
    89,859.26x = 134,789.43 × 39,927.62
  4. Step 4: Simplify right side
    89,859.26x = 5,381,821,141.06
  5. Step 5: Solve for x
    x = 5,381,821,141.06/89,859.26
  6. Step 6: Final answer
    x = 59,891.67

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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.