Home / 63,283.20-87,388.80-50,799.36

Finding the Fourth Proportional to 63,283.20, 87,388.80 and 50,799.36

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Solution

The fourth proportional to 63,283.20, 87,388.80 and 50,799.36 is: 70,149.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,283.20 : 87,388.80 = 50,799.36 : x
  2. Step 2: Convert to fraction form
    63,283.20/87,388.80 = 50,799.36/x
  3. Step 3: Cross multiply
    63,283.20x = 87,388.80 × 50,799.36
  4. Step 4: Simplify right side
    63,283.20x = 4,439,295,111.17
  5. Step 5: Solve for x
    x = 4,439,295,111.17/63,283.20
  6. Step 6: Final answer
    x = 70,149.66

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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.