Home / 63,108.21-87,089.13-34,813.68

Finding the Fourth Proportional to 63,108.21, 87,089.13 and 34,813.68

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Solution

The fourth proportional to 63,108.21, 87,089.13 and 34,813.68 is: 48,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,108.21 : 87,089.13 = 34,813.68 : x
  2. Step 2: Convert to fraction form
    63,108.21/87,089.13 = 34,813.68/x
  3. Step 3: Cross multiply
    63,108.21x = 87,089.13 × 34,813.68
  4. Step 4: Simplify right side
    63,108.21x = 3,031,893,103.30
  5. Step 5: Solve for x
    x = 3,031,893,103.30/63,108.21
  6. Step 6: Final answer
    x = 48,042.77

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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.