Home / 63,509.13-87,622.65-36,648.11

Finding the Fourth Proportional to 63,509.13, 87,622.65 and 36,648.11

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Solution

The fourth proportional to 63,509.13, 87,622.65 and 36,648.11 is: 50,562.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,509.13 : 87,622.65 = 36,648.11 : x
  2. Step 2: Convert to fraction form
    63,509.13/87,622.65 = 36,648.11/x
  3. Step 3: Cross multiply
    63,509.13x = 87,622.65 × 36,648.11
  4. Step 4: Simplify right side
    63,509.13x = 3,211,204,515.69
  5. Step 5: Solve for x
    x = 3,211,204,515.69/63,509.13
  6. Step 6: Final answer
    x = 50,562.88

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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.