Home / 63,664.38-87,819.12-43,511.04

Finding the Fourth Proportional to 63,664.38, 87,819.12 and 43,511.04

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Solution

The fourth proportional to 63,664.38, 87,819.12 and 43,511.04 is: 60,019.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.38 : 87,819.12 = 43,511.04 : x
  2. Step 2: Convert to fraction form
    63,664.38/87,819.12 = 43,511.04/x
  3. Step 3: Cross multiply
    63,664.38x = 87,819.12 × 43,511.04
  4. Step 4: Simplify right side
    63,664.38x = 3,821,101,243.08
  5. Step 5: Solve for x
    x = 3,821,101,243.08/63,664.38
  6. Step 6: Final answer
    x = 60,019.45

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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.