Home / 64,553.18-89,057.37-39,015.21

Finding the Fourth Proportional to 64,553.18, 89,057.37 and 39,015.21

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Solution

The fourth proportional to 64,553.18, 89,057.37 and 39,015.21 is: 53,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,553.18 : 89,057.37 = 39,015.21 : x
  2. Step 2: Convert to fraction form
    64,553.18/89,057.37 = 39,015.21/x
  3. Step 3: Cross multiply
    64,553.18x = 89,057.37 × 39,015.21
  4. Step 4: Simplify right side
    64,553.18x = 3,474,591,992.60
  5. Step 5: Solve for x
    x = 3,474,591,992.60/64,553.18
  6. Step 6: Final answer
    x = 53,825.26

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1.5x scale

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.