Home / 76,658.20-115,001.91-26,752.55

Finding the Fourth Proportional to 76,658.20, 115,001.91 and 26,752.55

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Solution

The fourth proportional to 76,658.20, 115,001.91 and 26,752.55 is: 40,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658.20 : 115,001.91 = 26,752.55 : x
  2. Step 2: Convert to fraction form
    76,658.20/115,001.91 = 26,752.55/x
  3. Step 3: Cross multiply
    76,658.20x = 115,001.91 × 26,752.55
  4. Step 4: Simplify right side
    76,658.20x = 3,076,593,772.36
  5. Step 5: Solve for x
    x = 3,076,593,772.36/76,658.20
  6. Step 6: Final answer
    x = 40,133.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.