Home / 93,537.40-140,306.10-83,428.60

Finding the Fourth Proportional to 93,537.40, 140,306.10 and 83,428.60

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Solution

The fourth proportional to 93,537.40, 140,306.10 and 83,428.60 is: 125,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,537.40 : 140,306.10 = 83,428.60 : x
  2. Step 2: Convert to fraction form
    93,537.40/140,306.10 = 83,428.60/x
  3. Step 3: Cross multiply
    93,537.40x = 140,306.10 × 83,428.60
  4. Step 4: Simplify right side
    93,537.40x = 11,705,541,494.46
  5. Step 5: Solve for x
    x = 11,705,541,494.46/93,537.40
  6. Step 6: Final answer
    x = 125,142.90

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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.