Home / 69,864.40-96,442.68-41,572.72

Finding the Fourth Proportional to 69,864.40, 96,442.68 and 41,572.72

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Solution

The fourth proportional to 69,864.40, 96,442.68 and 41,572.72 is: 57,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,864.40 : 96,442.68 = 41,572.72 : x
  2. Step 2: Convert to fraction form
    69,864.40/96,442.68 = 41,572.72/x
  3. Step 3: Cross multiply
    69,864.40x = 96,442.68 × 41,572.72
  4. Step 4: Simplify right side
    69,864.40x = 4,009,384,531.69
  5. Step 5: Solve for x
    x = 4,009,384,531.69/69,864.40
  6. Step 6: Final answer
    x = 57,388.09

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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.