Home / 93,720.87-140,581.19-30,540.89

Finding the Fourth Proportional to 93,720.87, 140,581.19 and 30,540.89

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Solution

The fourth proportional to 93,720.87, 140,581.19 and 30,540.89 is: 45,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,720.87 : 140,581.19 = 30,540.89 : x
  2. Step 2: Convert to fraction form
    93,720.87/140,581.19 = 30,540.89/x
  3. Step 3: Cross multiply
    93,720.87x = 140,581.19 × 30,540.89
  4. Step 4: Simplify right side
    93,720.87x = 4,293,475,087.66
  5. Step 5: Solve for x
    x = 4,293,475,087.66/93,720.87
  6. Step 6: Final answer
    x = 45,811.30

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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.