Home / 89,828.88-123,962.40-51,589.23

Finding the Fourth Proportional to 89,828.88, 123,962.40 and 51,589.23

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Solution

The fourth proportional to 89,828.88, 123,962.40 and 51,589.23 is: 71,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,828.88 : 123,962.40 = 51,589.23 : x
  2. Step 2: Convert to fraction form
    89,828.88/123,962.40 = 51,589.23/x
  3. Step 3: Cross multiply
    89,828.88x = 123,962.40 × 51,589.23
  4. Step 4: Simplify right side
    89,828.88x = 6,395,124,764.95
  5. Step 5: Solve for x
    x = 6,395,124,764.95/89,828.88
  6. Step 6: Final answer
    x = 71,192.30

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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.