Home / 69,964.13-96,564.28-48,731.09

Finding the Fourth Proportional to 69,964.13, 96,564.28 and 48,731.09

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Solution

The fourth proportional to 69,964.13, 96,564.28 and 48,731.09 is: 67,258.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,964.13 : 96,564.28 = 48,731.09 : x
  2. Step 2: Convert to fraction form
    69,964.13/96,564.28 = 48,731.09/x
  3. Step 3: Cross multiply
    69,964.13x = 96,564.28 × 48,731.09
  4. Step 4: Simplify right side
    69,964.13x = 4,705,682,619.47
  5. Step 5: Solve for x
    x = 4,705,682,619.47/69,964.13
  6. Step 6: Final answer
    x = 67,258.50

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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.