Home / 86,811.16-119,795.88-49,086.04

Finding the Fourth Proportional to 86,811.16, 119,795.88 and 49,086.04

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Solution

The fourth proportional to 86,811.16, 119,795.88 and 49,086.04 is: 67,736.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,811.16 : 119,795.88 = 49,086.04 : x
  2. Step 2: Convert to fraction form
    86,811.16/119,795.88 = 49,086.04/x
  3. Step 3: Cross multiply
    86,811.16x = 119,795.88 × 49,086.04
  4. Step 4: Simplify right side
    86,811.16x = 5,880,305,357.52
  5. Step 5: Solve for x
    x = 5,880,305,357.52/86,811.16
  6. Step 6: Final answer
    x = 67,736.74

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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.