Home / 86,947.58-119,992.16-48,704.90

Finding the Fourth Proportional to 86,947.58, 119,992.16 and 48,704.90

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Solution

The fourth proportional to 86,947.58, 119,992.16 and 48,704.90 is: 67,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,947.58 : 119,992.16 = 48,704.90 : x
  2. Step 2: Convert to fraction form
    86,947.58/119,992.16 = 48,704.90/x
  3. Step 3: Cross multiply
    86,947.58x = 119,992.16 × 48,704.90
  4. Step 4: Simplify right side
    86,947.58x = 5,844,205,910.06
  5. Step 5: Solve for x
    x = 5,844,205,910.06/86,947.58
  6. Step 6: Final answer
    x = 67,215.28

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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.