Home / 77,257.44-115,690.14-64,744.56

Finding the Fourth Proportional to 77,257.44, 115,690.14 and 64,744.56

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Solution

The fourth proportional to 77,257.44, 115,690.14 and 64,744.56 is: 96,952.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,257.44 : 115,690.14 = 64,744.56 : x
  2. Step 2: Convert to fraction form
    77,257.44/115,690.14 = 64,744.56/x
  3. Step 3: Cross multiply
    77,257.44x = 115,690.14 × 64,744.56
  4. Step 4: Simplify right side
    77,257.44x = 7,490,307,210.64
  5. Step 5: Solve for x
    x = 7,490,307,210.64/77,257.44
  6. Step 6: Final answer
    x = 96,952.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.