Home / 68,008.96-93,861.12-38,206.72

Finding the Fourth Proportional to 68,008.96, 93,861.12 and 38,206.72

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Solution

The fourth proportional to 68,008.96, 93,861.12 and 38,206.72 is: 52,730.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,008.96 : 93,861.12 = 38,206.72 : x
  2. Step 2: Convert to fraction form
    68,008.96/93,861.12 = 38,206.72/x
  3. Step 3: Cross multiply
    68,008.96x = 93,861.12 × 38,206.72
  4. Step 4: Simplify right side
    68,008.96x = 3,586,125,530.73
  5. Step 5: Solve for x
    x = 3,586,125,530.73/68,008.96
  6. Step 6: Final answer
    x = 52,730.19

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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.