Home / 68,014.27-93,832.78-39,328.66

Finding the Fourth Proportional to 68,014.27, 93,832.78 and 39,328.66

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Solution

The fourth proportional to 68,014.27, 93,832.78 and 39,328.66 is: 54,257.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.27 : 93,832.78 = 39,328.66 : x
  2. Step 2: Convert to fraction form
    68,014.27/93,832.78 = 39,328.66/x
  3. Step 3: Cross multiply
    68,014.27x = 93,832.78 × 39,328.66
  4. Step 4: Simplify right side
    68,014.27x = 3,690,316,835.67
  5. Step 5: Solve for x
    x = 3,690,316,835.67/68,014.27
  6. Step 6: Final answer
    x = 54,257.98

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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.