Home / 89,861.26-134,792.43-39,929.62

Finding the Fourth Proportional to 89,861.26, 134,792.43 and 39,929.62

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Solution

The fourth proportional to 89,861.26, 134,792.43 and 39,929.62 is: 59,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861.26 : 134,792.43 = 39,929.62 : x
  2. Step 2: Convert to fraction form
    89,861.26/134,792.43 = 39,929.62/x
  3. Step 3: Cross multiply
    89,861.26x = 134,792.43 × 39,929.62
  4. Step 4: Simplify right side
    89,861.26x = 5,382,210,508.78
  5. Step 5: Solve for x
    x = 5,382,210,508.78/89,861.26
  6. Step 6: Final answer
    x = 59,894.67

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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.