Home / 64,904.28-89,562.47-36,221.37

Finding the Fourth Proportional to 64,904.28, 89,562.47 and 36,221.37

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Solution

The fourth proportional to 64,904.28, 89,562.47 and 36,221.37 is: 49,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,904.28 : 89,562.47 = 36,221.37 : x
  2. Step 2: Convert to fraction form
    64,904.28/89,562.47 = 36,221.37/x
  3. Step 3: Cross multiply
    64,904.28x = 89,562.47 × 36,221.37
  4. Step 4: Simplify right side
    64,904.28x = 3,244,075,363.98
  5. Step 5: Solve for x
    x = 3,244,075,363.98/64,904.28
  6. Step 6: Final answer
    x = 49,982.46

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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.