Home / 75,987.74-114,004.65-53,844.02

Finding the Fourth Proportional to 75,987.74, 114,004.65 and 53,844.02

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Solution

The fourth proportional to 75,987.74, 114,004.65 and 53,844.02 is: 80,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,987.74 : 114,004.65 = 53,844.02 : x
  2. Step 2: Convert to fraction form
    75,987.74/114,004.65 = 53,844.02/x
  3. Step 3: Cross multiply
    75,987.74x = 114,004.65 × 53,844.02
  4. Step 4: Simplify right side
    75,987.74x = 6,138,468,654.69
  5. Step 5: Solve for x
    x = 6,138,468,654.69/75,987.74
  6. Step 6: Final answer
    x = 80,782.36

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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.