Home / 70,010.18-96,610.56-39,791.51

Finding the Fourth Proportional to 70,010.18, 96,610.56 and 39,791.51

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Solution

The fourth proportional to 70,010.18, 96,610.56 and 39,791.51 is: 54,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010.18 : 96,610.56 = 39,791.51 : x
  2. Step 2: Convert to fraction form
    70,010.18/96,610.56 = 39,791.51/x
  3. Step 3: Cross multiply
    70,010.18x = 96,610.56 × 39,791.51
  4. Step 4: Simplify right side
    70,010.18x = 3,844,280,064.35
  5. Step 5: Solve for x
    x = 3,844,280,064.35/70,010.18
  6. Step 6: Final answer
    x = 54,910.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.