Home / 70,028.24-96,621.72-42,797.36

Finding the Fourth Proportional to 70,028.24, 96,621.72 and 42,797.36

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Solution

The fourth proportional to 70,028.24, 96,621.72 and 42,797.36 is: 59,049.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,028.24 : 96,621.72 = 42,797.36 : x
  2. Step 2: Convert to fraction form
    70,028.24/96,621.72 = 42,797.36/x
  3. Step 3: Cross multiply
    70,028.24x = 96,621.72 × 42,797.36
  4. Step 4: Simplify right side
    70,028.24x = 4,135,154,534.66
  5. Step 5: Solve for x
    x = 4,135,154,534.66/70,028.24
  6. Step 6: Final answer
    x = 59,049.81

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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.