Home / 79,255.62-118,901.64-26,663.70

Finding the Fourth Proportional to 79,255.62, 118,901.64 and 26,663.70

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Solution

The fourth proportional to 79,255.62, 118,901.64 and 26,663.70 is: 40,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,255.62 : 118,901.64 = 26,663.70 : x
  2. Step 2: Convert to fraction form
    79,255.62/118,901.64 = 26,663.70/x
  3. Step 3: Cross multiply
    79,255.62x = 118,901.64 × 26,663.70
  4. Step 4: Simplify right side
    79,255.62x = 3,170,357,658.47
  5. Step 5: Solve for x
    x = 3,170,357,658.47/79,255.62
  6. Step 6: Final answer
    x = 40,001.68

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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.