Home / 93,540.30-140,310.45-54,077.10

Finding the Fourth Proportional to 93,540.30, 140,310.45 and 54,077.10

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Solution

The fourth proportional to 93,540.30, 140,310.45 and 54,077.10 is: 81,115.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,540.30 : 140,310.45 = 54,077.10 : x
  2. Step 2: Convert to fraction form
    93,540.30/140,310.45 = 54,077.10/x
  3. Step 3: Cross multiply
    93,540.30x = 140,310.45 × 54,077.10
  4. Step 4: Simplify right side
    93,540.30x = 7,587,582,235.70
  5. Step 5: Solve for x
    x = 7,587,582,235.70/93,540.30
  6. Step 6: Final answer
    x = 81,115.65

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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.