Home / 75,725.94-113,590.66-36,239.64

Finding the Fourth Proportional to 75,725.94, 113,590.66 and 36,239.64

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Solution

The fourth proportional to 75,725.94, 113,590.66 and 36,239.64 is: 54,360.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,725.94 : 113,590.66 = 36,239.64 : x
  2. Step 2: Convert to fraction form
    75,725.94/113,590.66 = 36,239.64/x
  3. Step 3: Cross multiply
    75,725.94x = 113,590.66 × 36,239.64
  4. Step 4: Simplify right side
    75,725.94x = 4,116,484,625.76
  5. Step 5: Solve for x
    x = 4,116,484,625.76/75,725.94
  6. Step 6: Final answer
    x = 54,360.30

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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.