Home / 86,376.76-119,198.30-48,135.46

Finding the Fourth Proportional to 86,376.76, 119,198.30 and 48,135.46

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Solution

The fourth proportional to 86,376.76, 119,198.30 and 48,135.46 is: 66,426.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,376.76 : 119,198.30 = 48,135.46 : x
  2. Step 2: Convert to fraction form
    86,376.76/119,198.30 = 48,135.46/x
  3. Step 3: Cross multiply
    86,376.76x = 119,198.30 × 48,135.46
  4. Step 4: Simplify right side
    86,376.76x = 5,737,665,271.05
  5. Step 5: Solve for x
    x = 5,737,665,271.05/86,376.76
  6. Step 6: Final answer
    x = 66,426.03

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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.