Home / 63,345.21-87,417.99-38,196.33

Finding the Fourth Proportional to 63,345.21, 87,417.99 and 38,196.33

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Solution

The fourth proportional to 63,345.21, 87,417.99 and 38,196.33 is: 52,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,345.21 : 87,417.99 = 38,196.33 : x
  2. Step 2: Convert to fraction form
    63,345.21/87,417.99 = 38,196.33/x
  3. Step 3: Cross multiply
    63,345.21x = 87,417.99 × 38,196.33
  4. Step 4: Simplify right side
    63,345.21x = 3,339,046,393.98
  5. Step 5: Solve for x
    x = 3,339,046,393.98/63,345.21
  6. Step 6: Final answer
    x = 52,711.90

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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.