Home / 104,615.15-157,014.75-57,273.89

Finding the Fourth Proportional to 104,615.15, 157,014.75 and 57,273.89

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Solution

The fourth proportional to 104,615.15, 157,014.75 and 57,273.89 is: 85,961.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,615.15 : 157,014.75 = 57,273.89 : x
  2. Step 2: Convert to fraction form
    104,615.15/157,014.75 = 57,273.89/x
  3. Step 3: Cross multiply
    104,615.15x = 157,014.75 × 57,273.89
  4. Step 4: Simplify right side
    104,615.15x = 8,992,844,949.58
  5. Step 5: Solve for x
    x = 8,992,844,949.58/104,615.15
  6. Step 6: Final answer
    x = 85,961.21

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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.