Home / 93,428.16-140,156.82-40,808.94

Finding the Fourth Proportional to 93,428.16, 140,156.82 and 40,808.94

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Solution

The fourth proportional to 93,428.16, 140,156.82 and 40,808.94 is: 61,219.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,428.16 : 140,156.82 = 40,808.94 : x
  2. Step 2: Convert to fraction form
    93,428.16/140,156.82 = 40,808.94/x
  3. Step 3: Cross multiply
    93,428.16x = 140,156.82 × 40,808.94
  4. Step 4: Simplify right side
    93,428.16x = 5,719,651,257.97
  5. Step 5: Solve for x
    x = 5,719,651,257.97/93,428.16
  6. Step 6: Final answer
    x = 61,219.78

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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.