Home / 79,231.26-118,772.45-26,603.83

Finding the Fourth Proportional to 79,231.26, 118,772.45 and 26,603.83

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Solution

The fourth proportional to 79,231.26, 118,772.45 and 26,603.83 is: 39,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,231.26 : 118,772.45 = 26,603.83 : x
  2. Step 2: Convert to fraction form
    79,231.26/118,772.45 = 26,603.83/x
  3. Step 3: Cross multiply
    79,231.26x = 118,772.45 × 26,603.83
  4. Step 4: Simplify right side
    79,231.26x = 3,159,801,341.60
  5. Step 5: Solve for x
    x = 3,159,801,341.60/79,231.26
  6. Step 6: Final answer
    x = 39,880.74

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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.