Home / 93,611.31-140,294.66-81,735.09

Finding the Fourth Proportional to 93,611.31, 140,294.66 and 81,735.09

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Solution

The fourth proportional to 93,611.31, 140,294.66 and 81,735.09 is: 122,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,611.31 : 140,294.66 = 81,735.09 : x
  2. Step 2: Convert to fraction form
    93,611.31/140,294.66 = 81,735.09/x
  3. Step 3: Cross multiply
    93,611.31x = 140,294.66 × 81,735.09
  4. Step 4: Simplify right side
    93,611.31x = 11,466,996,252.94
  5. Step 5: Solve for x
    x = 11,466,996,252.94/93,611.31
  6. Step 6: Final answer
    x = 122,495.84

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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.