Home / 75,712.64-113,488.64-36,186.24

Finding the Fourth Proportional to 75,712.64, 113,488.64 and 36,186.24

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Solution

The fourth proportional to 75,712.64, 113,488.64 and 36,186.24 is: 54,240.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,712.64 : 113,488.64 = 36,186.24 : x
  2. Step 2: Convert to fraction form
    75,712.64/113,488.64 = 36,186.24/x
  3. Step 3: Cross multiply
    75,712.64x = 113,488.64 × 36,186.24
  4. Step 4: Simplify right side
    75,712.64x = 4,106,727,164.31
  5. Step 5: Solve for x
    x = 4,106,727,164.31/75,712.64
  6. Step 6: Final answer
    x = 54,240.97

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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.