Home / 77,815.60-116,712.48-44,427.36

Finding the Fourth Proportional to 77,815.60, 116,712.48 and 44,427.36

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Solution

The fourth proportional to 77,815.60, 116,712.48 and 44,427.36 is: 66,634.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,815.60 : 116,712.48 = 44,427.36 : x
  2. Step 2: Convert to fraction form
    77,815.60/116,712.48 = 44,427.36/x
  3. Step 3: Cross multiply
    77,815.60x = 116,712.48 × 44,427.36
  4. Step 4: Simplify right side
    77,815.60x = 5,185,227,365.45
  5. Step 5: Solve for x
    x = 5,185,227,365.45/77,815.60
  6. Step 6: Final answer
    x = 66,634.81

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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.