Home / 86,710.89-119,625.62-68,733.75

Finding the Fourth Proportional to 86,710.89, 119,625.62 and 68,733.75

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Solution

The fourth proportional to 86,710.89, 119,625.62 and 68,733.75 is: 94,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,710.89 : 119,625.62 = 68,733.75 : x
  2. Step 2: Convert to fraction form
    86,710.89/119,625.62 = 68,733.75/x
  3. Step 3: Cross multiply
    86,710.89x = 119,625.62 × 68,733.75
  4. Step 4: Simplify right side
    86,710.89x = 8,222,317,115.01
  5. Step 5: Solve for x
    x = 8,222,317,115.01/86,710.89
  6. Step 6: Final answer
    x = 94,824.50

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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.