Home / 68,989.02-95,202.15-38,775.66

Finding the Fourth Proportional to 68,989.02, 95,202.15 and 38,775.66

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Solution

The fourth proportional to 68,989.02, 95,202.15 and 38,775.66 is: 53,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,989.02 : 95,202.15 = 38,775.66 : x
  2. Step 2: Convert to fraction form
    68,989.02/95,202.15 = 38,775.66/x
  3. Step 3: Cross multiply
    68,989.02x = 95,202.15 × 38,775.66
  4. Step 4: Simplify right side
    68,989.02x = 3,691,526,199.67
  5. Step 5: Solve for x
    x = 3,691,526,199.67/68,989.02
  6. Step 6: Final answer
    x = 53,508.89

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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.