Home / 93,789.56-140,684.34-31,459.88

Finding the Fourth Proportional to 93,789.56, 140,684.34 and 31,459.88

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Solution

The fourth proportional to 93,789.56, 140,684.34 and 31,459.88 is: 47,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,789.56 : 140,684.34 = 31,459.88 : x
  2. Step 2: Convert to fraction form
    93,789.56/140,684.34 = 31,459.88/x
  3. Step 3: Cross multiply
    93,789.56x = 140,684.34 × 31,459.88
  4. Step 4: Simplify right side
    93,789.56x = 4,425,912,454.28
  5. Step 5: Solve for x
    x = 4,425,912,454.28/93,789.56
  6. Step 6: Final answer
    x = 47,189.82

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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.