Home / 70,015.20-96,617.44-39,796.56

Finding the Fourth Proportional to 70,015.20, 96,617.44 and 39,796.56

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Solution

The fourth proportional to 70,015.20, 96,617.44 and 39,796.56 is: 54,917.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,015.20 : 96,617.44 = 39,796.56 : x
  2. Step 2: Convert to fraction form
    70,015.20/96,617.44 = 39,796.56/x
  3. Step 3: Cross multiply
    70,015.20x = 96,617.44 × 39,796.56
  4. Step 4: Simplify right side
    70,015.20x = 3,845,041,748.01
  5. Step 5: Solve for x
    x = 3,845,041,748.01/70,015.20
  6. Step 6: Final answer
    x = 54,917.24

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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.