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Finding the Fourth Proportional to 68,000.39, 101,317.12 and 64,180.58

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Solution

The fourth proportional to 68,000.39, 101,317.12 and 64,180.58 is: 95,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.39 : 101,317.12 = 64,180.58 : x
  2. Step 2: Convert to fraction form
    68,000.39/101,317.12 = 64,180.58/x
  3. Step 3: Cross multiply
    68,000.39x = 101,317.12 × 64,180.58
  4. Step 4: Simplify right side
    68,000.39x = 6,502,591,525.53
  5. Step 5: Solve for x
    x = 6,502,591,525.53/68,000.39
  6. Step 6: Final answer
    x = 95,625.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.