Home / 77,769.48-116,672.80-25,179.02

Finding the Fourth Proportional to 77,769.48, 116,672.80 and 25,179.02

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Solution

The fourth proportional to 77,769.48, 116,672.80 and 25,179.02 is: 37,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,769.48 : 116,672.80 = 25,179.02 : x
  2. Step 2: Convert to fraction form
    77,769.48/116,672.80 = 25,179.02/x
  3. Step 3: Cross multiply
    77,769.48x = 116,672.80 × 25,179.02
  4. Step 4: Simplify right side
    77,769.48x = 2,937,706,764.66
  5. Step 5: Solve for x
    x = 2,937,706,764.66/77,769.48
  6. Step 6: Final answer
    x = 37,774.55

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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.