Home / 89,507.10-123,519.80-49,223.58

Finding the Fourth Proportional to 89,507.10, 123,519.80 and 49,223.58

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Solution

The fourth proportional to 89,507.10, 123,519.80 and 49,223.58 is: 67,928.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,507.10 : 123,519.80 = 49,223.58 : x
  2. Step 2: Convert to fraction form
    89,507.10/123,519.80 = 49,223.58/x
  3. Step 3: Cross multiply
    89,507.10x = 123,519.80 × 49,223.58
  4. Step 4: Simplify right side
    89,507.10x = 6,080,086,756.88
  5. Step 5: Solve for x
    x = 6,080,086,756.88/89,507.10
  6. Step 6: Final answer
    x = 67,928.54

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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.