Home / 79,217.76-118,844.46-26,625.81

Finding the Fourth Proportional to 79,217.76, 118,844.46 and 26,625.81

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Solution

The fourth proportional to 79,217.76, 118,844.46 and 26,625.81 is: 39,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,217.76 : 118,844.46 = 26,625.81 : x
  2. Step 2: Convert to fraction form
    79,217.76/118,844.46 = 26,625.81/x
  3. Step 3: Cross multiply
    79,217.76x = 118,844.46 × 26,625.81
  4. Step 4: Simplify right side
    79,217.76x = 3,164,330,011.51
  5. Step 5: Solve for x
    x = 3,164,330,011.51/79,217.76
  6. Step 6: Final answer
    x = 39,944.70

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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.