Home / 82,727.52-114,164.64-45,001.68

Finding the Fourth Proportional to 82,727.52, 114,164.64 and 45,001.68

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Solution

The fourth proportional to 82,727.52, 114,164.64 and 45,001.68 is: 62,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,727.52 : 114,164.64 = 45,001.68 : x
  2. Step 2: Convert to fraction form
    82,727.52/114,164.64 = 45,001.68/x
  3. Step 3: Cross multiply
    82,727.52x = 114,164.64 × 45,001.68
  4. Step 4: Simplify right side
    82,727.52x = 5,137,600,596.60
  5. Step 5: Solve for x
    x = 5,137,600,596.60/82,727.52
  6. Step 6: Final answer
    x = 62,102.68

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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.