Home / 78,270.49-117,351.01-24,944.59

Finding the Fourth Proportional to 78,270.49, 117,351.01 and 24,944.59

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Solution

The fourth proportional to 78,270.49, 117,351.01 and 24,944.59 is: 37,399.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,270.49 : 117,351.01 = 24,944.59 : x
  2. Step 2: Convert to fraction form
    78,270.49/117,351.01 = 24,944.59/x
  3. Step 3: Cross multiply
    78,270.49x = 117,351.01 × 24,944.59
  4. Step 4: Simplify right side
    78,270.49x = 2,927,272,830.54
  5. Step 5: Solve for x
    x = 2,927,272,830.54/78,270.49
  6. Step 6: Final answer
    x = 37,399.44

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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.