Home / 86,855.32-119,850.25-48,617.00

Finding the Fourth Proportional to 86,855.32, 119,850.25 and 48,617.00

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Solution

The fourth proportional to 86,855.32, 119,850.25 and 48,617.00 is: 67,085.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,855.32 : 119,850.25 = 48,617.00 : x
  2. Step 2: Convert to fraction form
    86,855.32/119,850.25 = 48,617.00/x
  3. Step 3: Cross multiply
    86,855.32x = 119,850.25 × 48,617.00
  4. Step 4: Simplify right side
    86,855.32x = 5,826,758,761.91
  5. Step 5: Solve for x
    x = 5,826,758,761.91/86,855.32
  6. Step 6: Final answer
    x = 67,085.81

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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.