Home / 53,396.08-80,099.56-18,331.16

Finding the Fourth Proportional to 53,396.08, 80,099.56 and 18,331.16

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Solution

The fourth proportional to 53,396.08, 80,099.56 and 18,331.16 is: 27,498.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,396.08 : 80,099.56 = 18,331.16 : x
  2. Step 2: Convert to fraction form
    53,396.08/80,099.56 = 18,331.16/x
  3. Step 3: Cross multiply
    53,396.08x = 80,099.56 × 18,331.16
  4. Step 4: Simplify right side
    53,396.08x = 1,468,317,850.29
  5. Step 5: Solve for x
    x = 1,468,317,850.29/53,396.08
  6. Step 6: Final answer
    x = 27,498.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.