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Finding the Fourth Proportional to 77,207.16, 106,546.25 and 43,216.32

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Solution

The fourth proportional to 77,207.16, 106,546.25 and 43,216.32 is: 59,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.16 : 106,546.25 = 43,216.32 : x
  2. Step 2: Convert to fraction form
    77,207.16/106,546.25 = 43,216.32/x
  3. Step 3: Cross multiply
    77,207.16x = 106,546.25 × 43,216.32
  4. Step 4: Simplify right side
    77,207.16x = 4,604,536,499.97
  5. Step 5: Solve for x
    x = 4,604,536,499.97/77,207.16
  6. Step 6: Final answer
    x = 59,638.73

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.