Home / 86,291.12-119,058.48-50,489.96

Finding the Fourth Proportional to 86,291.12, 119,058.48 and 50,489.96

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Solution

The fourth proportional to 86,291.12, 119,058.48 and 50,489.96 is: 69,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,291.12 : 119,058.48 = 50,489.96 : x
  2. Step 2: Convert to fraction form
    86,291.12/119,058.48 = 50,489.96/x
  3. Step 3: Cross multiply
    86,291.12x = 119,058.48 × 50,489.96
  4. Step 4: Simplify right side
    86,291.12x = 6,011,257,892.86
  5. Step 5: Solve for x
    x = 6,011,257,892.86/86,291.12
  6. Step 6: Final answer
    x = 69,662.53

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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.