Home / 89,954.17-135,013.57-45,611.53

Finding the Fourth Proportional to 89,954.17, 135,013.57 and 45,611.53

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Solution

The fourth proportional to 89,954.17, 135,013.57 and 45,611.53 is: 68,459.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,954.17 : 135,013.57 = 45,611.53 : x
  2. Step 2: Convert to fraction form
    89,954.17/135,013.57 = 45,611.53/x
  3. Step 3: Cross multiply
    89,954.17x = 135,013.57 × 45,611.53
  4. Step 4: Simplify right side
    89,954.17x = 6,158,175,046.90
  5. Step 5: Solve for x
    x = 6,158,175,046.90/89,954.17
  6. Step 6: Final answer
    x = 68,459.03

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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.