Home / 63,519.12-87,660.36-36,666.54

Finding the Fourth Proportional to 63,519.12, 87,660.36 and 36,666.54

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Solution

The fourth proportional to 63,519.12, 87,660.36 and 36,666.54 is: 50,602.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,519.12 : 87,660.36 = 36,666.54 : x
  2. Step 2: Convert to fraction form
    63,519.12/87,660.36 = 36,666.54/x
  3. Step 3: Cross multiply
    63,519.12x = 87,660.36 × 36,666.54
  4. Step 4: Simplify right side
    63,519.12x = 3,214,202,096.35
  5. Step 5: Solve for x
    x = 3,214,202,096.35/63,519.12
  6. Step 6: Final answer
    x = 50,602.12

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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.