Home / 77,296-106,670.64-43,764.16

Finding the Fourth Proportional to 77,296, 106,670.64 and 43,764.16

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Solution

The fourth proportional to 77,296, 106,670.64 and 43,764.16 is: 60,395.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,296 : 106,670.64 = 43,764.16 : x
  2. Step 2: Convert to fraction form
    77,296/106,670.64 = 43,764.16/x
  3. Step 3: Cross multiply
    77,296x = 106,670.64 × 43,764.16
  4. Step 4: Simplify right side
    77,296x = 4,668,350,956.26
  5. Step 5: Solve for x
    x = 4,668,350,956.26/77,296
  6. Step 6: Final answer
    x = 60,395.76

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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.