Home / 77,095.36-115,650.96-29,104.39

Finding the Fourth Proportional to 77,095.36, 115,650.96 and 29,104.39

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Solution

The fourth proportional to 77,095.36, 115,650.96 and 29,104.39 is: 43,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,095.36 : 115,650.96 = 29,104.39 : x
  2. Step 2: Convert to fraction form
    77,095.36/115,650.96 = 29,104.39/x
  3. Step 3: Cross multiply
    77,095.36x = 115,650.96 × 29,104.39
  4. Step 4: Simplify right side
    77,095.36x = 3,365,950,643.71
  5. Step 5: Solve for x
    x = 3,365,950,643.71/77,095.36
  6. Step 6: Final answer
    x = 43,659.57

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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.