Home / 75,716.75-104,392.07-62,054.50

Finding the Fourth Proportional to 75,716.75, 104,392.07 and 62,054.50

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Solution

The fourth proportional to 75,716.75, 104,392.07 and 62,054.50 is: 85,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,716.75 : 104,392.07 = 62,054.50 : x
  2. Step 2: Convert to fraction form
    75,716.75/104,392.07 = 62,054.50/x
  3. Step 3: Cross multiply
    75,716.75x = 104,392.07 × 62,054.50
  4. Step 4: Simplify right side
    75,716.75x = 6,477,997,707.82
  5. Step 5: Solve for x
    x = 6,477,997,707.82/75,716.75
  6. Step 6: Final answer
    x = 85,555.68

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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.