Home / 93,081.40-139,622.10-82,972.60

Finding the Fourth Proportional to 93,081.40, 139,622.10 and 82,972.60

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Solution

The fourth proportional to 93,081.40, 139,622.10 and 82,972.60 is: 124,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,081.40 : 139,622.10 = 82,972.60 : x
  2. Step 2: Convert to fraction form
    93,081.40/139,622.10 = 82,972.60/x
  3. Step 3: Cross multiply
    93,081.40x = 139,622.10 × 82,972.60
  4. Step 4: Simplify right side
    93,081.40x = 11,584,808,654.46
  5. Step 5: Solve for x
    x = 11,584,808,654.46/93,081.40
  6. Step 6: Final answer
    x = 124,458.90

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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.