Home / 79,246.25-118,876.73-28,657.94

Finding the Fourth Proportional to 79,246.25, 118,876.73 and 28,657.94

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Solution

The fourth proportional to 79,246.25, 118,876.73 and 28,657.94 is: 42,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,246.25 : 118,876.73 = 28,657.94 : x
  2. Step 2: Convert to fraction form
    79,246.25/118,876.73 = 28,657.94/x
  3. Step 3: Cross multiply
    79,246.25x = 118,876.73 × 28,657.94
  4. Step 4: Simplify right side
    79,246.25x = 3,406,761,458.06
  5. Step 5: Solve for x
    x = 3,406,761,458.06/79,246.25
  6. Step 6: Final answer
    x = 42,989.56

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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.