Home / 89,457.62-123,449.01-49,171.46

Finding the Fourth Proportional to 89,457.62, 123,449.01 and 49,171.46

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Solution

The fourth proportional to 89,457.62, 123,449.01 and 49,171.46 is: 67,855.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,457.62 : 123,449.01 = 49,171.46 : x
  2. Step 2: Convert to fraction form
    89,457.62/123,449.01 = 49,171.46/x
  3. Step 3: Cross multiply
    89,457.62x = 123,449.01 × 49,171.46
  4. Step 4: Simplify right side
    89,457.62x = 6,070,168,057.25
  5. Step 5: Solve for x
    x = 6,070,168,057.25/89,457.62
  6. Step 6: Final answer
    x = 67,855.24

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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.