Home / 86,867.76-119,856.60-51,054.96

Finding the Fourth Proportional to 86,867.76, 119,856.60 and 51,054.96

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Solution

The fourth proportional to 86,867.76, 119,856.60 and 51,054.96 is: 70,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,867.76 : 119,856.60 = 51,054.96 : x
  2. Step 2: Convert to fraction form
    86,867.76/119,856.60 = 51,054.96/x
  3. Step 3: Cross multiply
    86,867.76x = 119,856.60 × 51,054.96
  4. Step 4: Simplify right side
    86,867.76x = 6,119,273,918.74
  5. Step 5: Solve for x
    x = 6,119,273,918.74/86,867.76
  6. Step 6: Final answer
    x = 70,443.56

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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.