Home / 93,910.30-129,768.06-68,372.34

Finding the Fourth Proportional to 93,910.30, 129,768.06 and 68,372.34

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Solution

The fourth proportional to 93,910.30, 129,768.06 and 68,372.34 is: 94,478.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,910.30 : 129,768.06 = 68,372.34 : x
  2. Step 2: Convert to fraction form
    93,910.30/129,768.06 = 68,372.34/x
  3. Step 3: Cross multiply
    93,910.30x = 129,768.06 × 68,372.34
  4. Step 4: Simplify right side
    93,910.30x = 8,872,545,919.46
  5. Step 5: Solve for x
    x = 8,872,545,919.46/93,910.30
  6. Step 6: Final answer
    x = 94,478.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.