Home / 49,406.30-68,220-45,628.08

Finding the Fourth Proportional to 49,406.30, 68,220 and 45,628.08

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Solution

The fourth proportional to 49,406.30, 68,220 and 45,628.08 is: 63,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,406.30 : 68,220 = 45,628.08 : x
  2. Step 2: Convert to fraction form
    49,406.30/68,220 = 45,628.08/x
  3. Step 3: Cross multiply
    49,406.30x = 68,220 × 45,628.08
  4. Step 4: Simplify right side
    49,406.30x = 3,112,747,617.60
  5. Step 5: Solve for x
    x = 3,112,747,617.60/49,406.30
  6. Step 6: Final answer
    x = 63,003.06

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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.