Home / 86,616.36-119,522.66-50,799.78

Finding the Fourth Proportional to 86,616.36, 119,522.66 and 50,799.78

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Solution

The fourth proportional to 86,616.36, 119,522.66 and 50,799.78 is: 70,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,616.36 : 119,522.66 = 50,799.78 : x
  2. Step 2: Convert to fraction form
    86,616.36/119,522.66 = 50,799.78/x
  3. Step 3: Cross multiply
    86,616.36x = 119,522.66 × 50,799.78
  4. Step 4: Simplify right side
    86,616.36x = 6,071,724,579.02
  5. Step 5: Solve for x
    x = 6,071,724,579.02/86,616.36
  6. Step 6: Final answer
    x = 70,099.05

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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.