Home / 63,497.13-87,606.11-39,637.64

Finding the Fourth Proportional to 63,497.13, 87,606.11 and 39,637.64

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Solution

The fourth proportional to 63,497.13, 87,606.11 and 39,637.64 is: 54,687.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.13 : 87,606.11 = 39,637.64 : x
  2. Step 2: Convert to fraction form
    63,497.13/87,606.11 = 39,637.64/x
  3. Step 3: Cross multiply
    63,497.13x = 87,606.11 × 39,637.64
  4. Step 4: Simplify right side
    63,497.13x = 3,472,499,449.98
  5. Step 5: Solve for x
    x = 3,472,499,449.98/63,497.13
  6. Step 6: Final answer
    x = 54,687.50

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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.