Home / 86,403.35-119,222.91-48,670.31

Finding the Fourth Proportional to 86,403.35, 119,222.91 and 48,670.31

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Solution

The fourth proportional to 86,403.35, 119,222.91 and 48,670.31 is: 67,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,403.35 : 119,222.91 = 48,670.31 : x
  2. Step 2: Convert to fraction form
    86,403.35/119,222.91 = 48,670.31/x
  3. Step 3: Cross multiply
    86,403.35x = 119,222.91 × 48,670.31
  4. Step 4: Simplify right side
    86,403.35x = 5,802,616,286.86
  5. Step 5: Solve for x
    x = 5,802,616,286.86/86,403.35
  6. Step 6: Final answer
    x = 67,157.30

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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.