Home / 86,299.20-119,095.61-47,539.83

Finding the Fourth Proportional to 86,299.20, 119,095.61 and 47,539.83

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Solution

The fourth proportional to 86,299.20, 119,095.61 and 47,539.83 is: 65,606.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,299.20 : 119,095.61 = 47,539.83 : x
  2. Step 2: Convert to fraction form
    86,299.20/119,095.61 = 47,539.83/x
  3. Step 3: Cross multiply
    86,299.20x = 119,095.61 × 47,539.83
  4. Step 4: Simplify right side
    86,299.20x = 5,661,785,380.91
  5. Step 5: Solve for x
    x = 5,661,785,380.91/86,299.20
  6. Step 6: Final answer
    x = 65,606.46

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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.