Home / 42,972.97-64,420.48-23,228.46

Finding the Fourth Proportional to 42,972.97, 64,420.48 and 23,228.46

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Solution

The fourth proportional to 42,972.97, 64,420.48 and 23,228.46 is: 34,821.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,972.97 : 64,420.48 = 23,228.46 : x
  2. Step 2: Convert to fraction form
    42,972.97/64,420.48 = 23,228.46/x
  3. Step 3: Cross multiply
    42,972.97x = 64,420.48 × 23,228.46
  4. Step 4: Simplify right side
    42,972.97x = 1,496,388,542.86
  5. Step 5: Solve for x
    x = 1,496,388,542.86/42,972.97
  6. Step 6: Final answer
    x = 34,821.62

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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.