Home / 89,763.64-134,665.45-39,170.84

Finding the Fourth Proportional to 89,763.64, 134,665.45 and 39,170.84

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Solution

The fourth proportional to 89,763.64, 134,665.45 and 39,170.84 is: 58,764.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,763.64 : 134,665.45 = 39,170.84 : x
  2. Step 2: Convert to fraction form
    89,763.64/134,665.45 = 39,170.84/x
  3. Step 3: Cross multiply
    89,763.64x = 134,665.45 × 39,170.84
  4. Step 4: Simplify right side
    89,763.64x = 5,274,958,024.22
  5. Step 5: Solve for x
    x = 5,274,958,024.22/89,763.64
  6. Step 6: Final answer
    x = 58,764.97

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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.