Home / 68,060.30-93,909.38-39,760.52

Finding the Fourth Proportional to 68,060.30, 93,909.38 and 39,760.52

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Solution

The fourth proportional to 68,060.30, 93,909.38 and 39,760.52 is: 54,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,060.30 : 93,909.38 = 39,760.52 : x
  2. Step 2: Convert to fraction form
    68,060.30/93,909.38 = 39,760.52/x
  3. Step 3: Cross multiply
    68,060.30x = 93,909.38 × 39,760.52
  4. Step 4: Simplify right side
    68,060.30x = 3,733,885,113.33
  5. Step 5: Solve for x
    x = 3,733,885,113.33/68,060.30
  6. Step 6: Final answer
    x = 54,861.43

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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.