Home / 67,902.09-93,716.48-39,216.59

Finding the Fourth Proportional to 67,902.09, 93,716.48 and 39,216.59

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Solution

The fourth proportional to 67,902.09, 93,716.48 and 39,216.59 is: 54,125.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,902.09 : 93,716.48 = 39,216.59 : x
  2. Step 2: Convert to fraction form
    67,902.09/93,716.48 = 39,216.59/x
  3. Step 3: Cross multiply
    67,902.09x = 93,716.48 × 39,216.59
  4. Step 4: Simplify right side
    67,902.09x = 3,675,240,957.67
  5. Step 5: Solve for x
    x = 3,675,240,957.67/67,902.09
  6. Step 6: Final answer
    x = 54,125.60

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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.