Home / 89,353.44-123,309.81-51,116.58

Finding the Fourth Proportional to 89,353.44, 123,309.81 and 51,116.58

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Solution

The fourth proportional to 89,353.44, 123,309.81 and 51,116.58 is: 70,542.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,353.44 : 123,309.81 = 51,116.58 : x
  2. Step 2: Convert to fraction form
    89,353.44/123,309.81 = 51,116.58/x
  3. Step 3: Cross multiply
    89,353.44x = 123,309.81 × 51,116.58
  4. Step 4: Simplify right side
    89,353.44x = 6,303,175,767.65
  5. Step 5: Solve for x
    x = 6,303,175,767.65/89,353.44
  6. Step 6: Final answer
    x = 70,542.06

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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.