Home / 86,710.39-119,624.92-68,733.25

Finding the Fourth Proportional to 86,710.39, 119,624.92 and 68,733.25

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Solution

The fourth proportional to 86,710.39, 119,624.92 and 68,733.25 is: 94,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.39 : 119,624.92 = 68,733.25 : x
  2. Step 2: Convert to fraction form
    86,710.39/119,624.92 = 68,733.25/x
  3. Step 3: Cross multiply
    86,710.39x = 119,624.92 × 68,733.25
  4. Step 4: Simplify right side
    86,710.39x = 8,222,209,532.59
  5. Step 5: Solve for x
    x = 8,222,209,532.59/86,710.39
  6. Step 6: Final answer
    x = 94,823.81

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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.