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Finding the Fourth Proportional to 76,837, 106,035.06 and 43,304.20

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Solution

The fourth proportional to 76,837, 106,035.06 and 43,304.20 is: 59,759.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,837 : 106,035.06 = 43,304.20 : x
  2. Step 2: Convert to fraction form
    76,837/106,035.06 = 43,304.20/x
  3. Step 3: Cross multiply
    76,837x = 106,035.06 × 43,304.20
  4. Step 4: Simplify right side
    76,837x = 4,591,763,445.25
  5. Step 5: Solve for x
    x = 4,591,763,445.25/76,837
  6. Step 6: Final answer
    x = 59,759.80

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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.