Home / 65,991.24-90,945.78-46,871.84

Finding the Fourth Proportional to 65,991.24, 90,945.78 and 46,871.84

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Solution

The fourth proportional to 65,991.24, 90,945.78 and 46,871.84 is: 64,596.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,991.24 : 90,945.78 = 46,871.84 : x
  2. Step 2: Convert to fraction form
    65,991.24/90,945.78 = 46,871.84/x
  3. Step 3: Cross multiply
    65,991.24x = 90,945.78 × 46,871.84
  4. Step 4: Simplify right side
    65,991.24x = 4,262,796,048.84
  5. Step 5: Solve for x
    x = 4,262,796,048.84/65,991.24
  6. Step 6: Final answer
    x = 64,596.39

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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.