Home / 86,481.41-119,352.56-54,221.13

Finding the Fourth Proportional to 86,481.41, 119,352.56 and 54,221.13

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Solution

The fourth proportional to 86,481.41, 119,352.56 and 54,221.13 is: 74,830.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,481.41 : 119,352.56 = 54,221.13 : x
  2. Step 2: Convert to fraction form
    86,481.41/119,352.56 = 54,221.13/x
  3. Step 3: Cross multiply
    86,481.41x = 119,352.56 × 54,221.13
  4. Step 4: Simplify right side
    86,481.41x = 6,471,430,400.49
  5. Step 5: Solve for x
    x = 6,471,430,400.49/86,481.41
  6. Step 6: Final answer
    x = 74,830.31

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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.