Home / 45,661.52-68,369.20-29,827.36

Finding the Fourth Proportional to 45,661.52, 68,369.20 and 29,827.36

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Solution

The fourth proportional to 45,661.52, 68,369.20 and 29,827.36 is: 44,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.52 : 68,369.20 = 29,827.36 : x
  2. Step 2: Convert to fraction form
    45,661.52/68,369.20 = 29,827.36/x
  3. Step 3: Cross multiply
    45,661.52x = 68,369.20 × 29,827.36
  4. Step 4: Simplify right side
    45,661.52x = 2,039,272,741.31
  5. Step 5: Solve for x
    x = 2,039,272,741.31/45,661.52
  6. Step 6: Final answer
    x = 44,660.64

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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.