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Finding the Fourth Proportional to 86,063, 118,773 and 48,337.28

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Solution

The fourth proportional to 86,063, 118,773 and 48,337.28 is: 66,708.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,063 : 118,773 = 48,337.28 : x
  2. Step 2: Convert to fraction form
    86,063/118,773 = 48,337.28/x
  3. Step 3: Cross multiply
    86,063x = 118,773 × 48,337.28
  4. Step 4: Simplify right side
    86,063x = 5,741,163,757.44
  5. Step 5: Solve for x
    x = 5,741,163,757.44/86,063
  6. Step 6: Final answer
    x = 66,708.85

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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.