Home / 89,777.16-134,704.62-48,175.56

Finding the Fourth Proportional to 89,777.16, 134,704.62 and 48,175.56

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Solution

The fourth proportional to 89,777.16, 134,704.62 and 48,175.56 is: 72,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,777.16 : 134,704.62 = 48,175.56 : x
  2. Step 2: Convert to fraction form
    89,777.16/134,704.62 = 48,175.56/x
  3. Step 3: Cross multiply
    89,777.16x = 134,704.62 × 48,175.56
  4. Step 4: Simplify right side
    89,777.16x = 6,489,470,503.09
  5. Step 5: Solve for x
    x = 6,489,470,503.09/89,777.16
  6. Step 6: Final answer
    x = 72,284.20

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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.