Home / 93,936.96-129,652.10-86,371.30

Finding the Fourth Proportional to 93,936.96, 129,652.10 and 86,371.30

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Solution

The fourth proportional to 93,936.96, 129,652.10 and 86,371.30 is: 119,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,936.96 : 129,652.10 = 86,371.30 : x
  2. Step 2: Convert to fraction form
    93,936.96/129,652.10 = 86,371.30/x
  3. Step 3: Cross multiply
    93,936.96x = 129,652.10 × 86,371.30
  4. Step 4: Simplify right side
    93,936.96x = 11,198,220,424.73
  5. Step 5: Solve for x
    x = 11,198,220,424.73/93,936.96
  6. Step 6: Final answer
    x = 119,209.95

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1.5x scale

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.