Home / 75,705.54-113,558.31-31,283.48

Finding the Fourth Proportional to 75,705.54, 113,558.31 and 31,283.48

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Solution

The fourth proportional to 75,705.54, 113,558.31 and 31,283.48 is: 46,925.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705.54 : 113,558.31 = 31,283.48 : x
  2. Step 2: Convert to fraction form
    75,705.54/113,558.31 = 31,283.48/x
  3. Step 3: Cross multiply
    75,705.54x = 113,558.31 × 31,283.48
  4. Step 4: Simplify right side
    75,705.54x = 3,552,498,551.93
  5. Step 5: Solve for x
    x = 3,552,498,551.93/75,705.54
  6. Step 6: Final answer
    x = 46,925.21

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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.