Home / 89,255.04-123,167.52-51,013.44

Finding the Fourth Proportional to 89,255.04, 123,167.52 and 51,013.44

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Solution

The fourth proportional to 89,255.04, 123,167.52 and 51,013.44 is: 70,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,255.04 : 123,167.52 = 51,013.44 : x
  2. Step 2: Convert to fraction form
    89,255.04/123,167.52 = 51,013.44/x
  3. Step 3: Cross multiply
    89,255.04x = 123,167.52 × 51,013.44
  4. Step 4: Simplify right side
    89,255.04x = 6,283,198,891.47
  5. Step 5: Solve for x
    x = 6,283,198,891.47/89,255.04
  6. Step 6: Final answer
    x = 70,396.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.