Home / 89,633.39-123,693.08-49,346.31

Finding the Fourth Proportional to 89,633.39, 123,693.08 and 49,346.31

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Solution

The fourth proportional to 89,633.39, 123,693.08 and 49,346.31 is: 68,097.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,633.39 : 123,693.08 = 49,346.31 : x
  2. Step 2: Convert to fraction form
    89,633.39/123,693.08 = 49,346.31/x
  3. Step 3: Cross multiply
    89,633.39x = 123,693.08 × 49,346.31
  4. Step 4: Simplify right side
    89,633.39x = 6,103,797,287.65
  5. Step 5: Solve for x
    x = 6,103,797,287.65/89,633.39
  6. Step 6: Final answer
    x = 68,097.36

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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.