Home / 77,289.96-115,944.84-23,985.48

Finding the Fourth Proportional to 77,289.96, 115,944.84 and 23,985.48

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Solution

The fourth proportional to 77,289.96, 115,944.84 and 23,985.48 is: 35,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,289.96 : 115,944.84 = 23,985.48 : x
  2. Step 2: Convert to fraction form
    77,289.96/115,944.84 = 23,985.48/x
  3. Step 3: Cross multiply
    77,289.96x = 115,944.84 × 23,985.48
  4. Step 4: Simplify right side
    77,289.96x = 2,780,992,640.92
  5. Step 5: Solve for x
    x = 2,780,992,640.92/77,289.96
  6. Step 6: Final answer
    x = 35,981.29

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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.