Home / 86,910.28-119,936.16-47,166.28

Finding the Fourth Proportional to 86,910.28, 119,936.16 and 47,166.28

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Solution

The fourth proportional to 86,910.28, 119,936.16 and 47,166.28 is: 65,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,910.28 : 119,936.16 = 47,166.28 : x
  2. Step 2: Convert to fraction form
    86,910.28/119,936.16 = 47,166.28/x
  3. Step 3: Cross multiply
    86,910.28x = 119,936.16 × 47,166.28
  4. Step 4: Simplify right side
    86,910.28x = 5,656,942,504.68
  5. Step 5: Solve for x
    x = 5,656,942,504.68/86,910.28
  6. Step 6: Final answer
    x = 65,089.45

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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.