Home / 93,788.56-140,682.84-31,458.88

Finding the Fourth Proportional to 93,788.56, 140,682.84 and 31,458.88

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Solution

The fourth proportional to 93,788.56, 140,682.84 and 31,458.88 is: 47,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,788.56 : 140,682.84 = 31,458.88 : x
  2. Step 2: Convert to fraction form
    93,788.56/140,682.84 = 31,458.88/x
  3. Step 3: Cross multiply
    93,788.56x = 140,682.84 × 31,458.88
  4. Step 4: Simplify right side
    93,788.56x = 4,425,724,581.62
  5. Step 5: Solve for x
    x = 4,425,724,581.62/93,788.56
  6. Step 6: Final answer
    x = 47,188.32

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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.