Home / 64,289.22-96,442.99-19,919.46

Finding the Fourth Proportional to 64,289.22, 96,442.99 and 19,919.46

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Solution

The fourth proportional to 64,289.22, 96,442.99 and 19,919.46 is: 29,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,289.22 : 96,442.99 = 19,919.46 : x
  2. Step 2: Convert to fraction form
    64,289.22/96,442.99 = 19,919.46/x
  3. Step 3: Cross multiply
    64,289.22x = 96,442.99 × 19,919.46
  4. Step 4: Simplify right side
    64,289.22x = 1,921,092,281.59
  5. Step 5: Solve for x
    x = 1,921,092,281.59/64,289.22
  6. Step 6: Final answer
    x = 29,882.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.