Home / 86,910.25-119,936.15-47,166.25

Finding the Fourth Proportional to 86,910.25, 119,936.15 and 47,166.25

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Solution

The fourth proportional to 86,910.25, 119,936.15 and 47,166.25 is: 65,089.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910.25 : 119,936.15 = 47,166.25 : x
  2. Step 2: Convert to fraction form
    86,910.25/119,936.15 = 47,166.25/x
  3. Step 3: Cross multiply
    86,910.25x = 119,936.15 × 47,166.25
  4. Step 4: Simplify right side
    86,910.25x = 5,656,938,434.94
  5. Step 5: Solve for x
    x = 5,656,938,434.94/86,910.25
  6. Step 6: Final answer
    x = 65,089.43

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1.5x scale

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.