Home / 77,765.44-116,573.04-25,139.20

Finding the Fourth Proportional to 77,765.44, 116,573.04 and 25,139.20

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Solution

The fourth proportional to 77,765.44, 116,573.04 and 25,139.20 is: 37,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,765.44 : 116,573.04 = 25,139.20 : x
  2. Step 2: Convert to fraction form
    77,765.44/116,573.04 = 25,139.20/x
  3. Step 3: Cross multiply
    77,765.44x = 116,573.04 × 25,139.20
  4. Step 4: Simplify right side
    77,765.44x = 2,930,552,967.17
  5. Step 5: Solve for x
    x = 2,930,552,967.17/77,765.44
  6. Step 6: Final answer
    x = 37,684.52

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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.