Home / 68,211.89-102,317.12-26,658.53

Finding the Fourth Proportional to 68,211.89, 102,317.12 and 26,658.53

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Solution

The fourth proportional to 68,211.89, 102,317.12 and 26,658.53 is: 39,987.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,211.89 : 102,317.12 = 26,658.53 : x
  2. Step 2: Convert to fraction form
    68,211.89/102,317.12 = 26,658.53/x
  3. Step 3: Cross multiply
    68,211.89x = 102,317.12 × 26,658.53
  4. Step 4: Simplify right side
    68,211.89x = 2,727,624,202.18
  5. Step 5: Solve for x
    x = 2,727,624,202.18/68,211.89
  6. Step 6: Final answer
    x = 39,987.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.