Home / 93,819.84-140,742.56-31,508.16

Finding the Fourth Proportional to 93,819.84, 140,742.56 and 31,508.16

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Solution

The fourth proportional to 93,819.84, 140,742.56 and 31,508.16 is: 47,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,819.84 : 140,742.56 = 31,508.16 : x
  2. Step 2: Convert to fraction form
    93,819.84/140,742.56 = 31,508.16/x
  3. Step 3: Cross multiply
    93,819.84x = 140,742.56 × 31,508.16
  4. Step 4: Simplify right side
    93,819.84x = 4,434,539,099.29
  5. Step 5: Solve for x
    x = 4,434,539,099.29/93,819.84
  6. Step 6: Final answer
    x = 47,266.54

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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.