Home / 89,310.21-133,977.20-47,192.01

Finding the Fourth Proportional to 89,310.21, 133,977.20 and 47,192.01

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Solution

The fourth proportional to 89,310.21, 133,977.20 and 47,192.01 is: 70,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,310.21 : 133,977.20 = 47,192.01 : x
  2. Step 2: Convert to fraction form
    89,310.21/133,977.20 = 47,192.01/x
  3. Step 3: Cross multiply
    89,310.21x = 133,977.20 × 47,192.01
  4. Step 4: Simplify right side
    89,310.21x = 6,322,653,126.21
  5. Step 5: Solve for x
    x = 6,322,653,126.21/89,310.21
  6. Step 6: Final answer
    x = 70,794.30

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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.