Home / 75,247.74-112,890.40-53,104.36

Finding the Fourth Proportional to 75,247.74, 112,890.40 and 53,104.36

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Solution

The fourth proportional to 75,247.74, 112,890.40 and 53,104.36 is: 79,669.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,247.74 : 112,890.40 = 53,104.36 : x
  2. Step 2: Convert to fraction form
    75,247.74/112,890.40 = 53,104.36/x
  3. Step 3: Cross multiply
    75,247.74x = 112,890.40 × 53,104.36
  4. Step 4: Simplify right side
    75,247.74x = 5,994,972,736.84
  5. Step 5: Solve for x
    x = 5,994,972,736.84/75,247.74
  6. Step 6: Final answer
    x = 79,669.81

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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.