Home / 63,539.12-87,687.96-36,686.54

Finding the Fourth Proportional to 63,539.12, 87,687.96 and 36,686.54

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Solution

The fourth proportional to 63,539.12, 87,687.96 and 36,686.54 is: 50,629.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,539.12 : 87,687.96 = 36,686.54 : x
  2. Step 2: Convert to fraction form
    63,539.12/87,687.96 = 36,686.54/x
  3. Step 3: Cross multiply
    63,539.12x = 87,687.96 × 36,686.54
  4. Step 4: Simplify right side
    63,539.12x = 3,216,967,852.06
  5. Step 5: Solve for x
    x = 3,216,967,852.06/63,539.12
  6. Step 6: Final answer
    x = 50,629.72

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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.