Home / 86,486.22-119,355.12-50,688.54

Finding the Fourth Proportional to 86,486.22, 119,355.12 and 50,688.54

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Solution

The fourth proportional to 86,486.22, 119,355.12 and 50,688.54 is: 69,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,486.22 : 119,355.12 = 50,688.54 : x
  2. Step 2: Convert to fraction form
    86,486.22/119,355.12 = 50,688.54/x
  3. Step 3: Cross multiply
    86,486.22x = 119,355.12 × 50,688.54
  4. Step 4: Simplify right side
    86,486.22x = 6,049,936,774.32
  5. Step 5: Solve for x
    x = 6,049,936,774.32/86,486.22
  6. Step 6: Final answer
    x = 69,952.61

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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.