Home / 89,668.24-134,424.44-45,258

Finding the Fourth Proportional to 89,668.24, 134,424.44 and 45,258

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Solution

The fourth proportional to 89,668.24, 134,424.44 and 45,258 is: 67,847.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,668.24 : 134,424.44 = 45,258 : x
  2. Step 2: Convert to fraction form
    89,668.24/134,424.44 = 45,258/x
  3. Step 3: Cross multiply
    89,668.24x = 134,424.44 × 45,258
  4. Step 4: Simplify right side
    89,668.24x = 6,083,781,305.52
  5. Step 5: Solve for x
    x = 6,083,781,305.52/89,668.24
  6. Step 6: Final answer
    x = 67,847.67

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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.