Home / 77,179.15-115,911.29-46,204.75

Finding the Fourth Proportional to 77,179.15, 115,911.29 and 46,204.75

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Solution

The fourth proportional to 77,179.15, 115,911.29 and 46,204.75 is: 69,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,179.15 : 115,911.29 = 46,204.75 : x
  2. Step 2: Convert to fraction form
    77,179.15/115,911.29 = 46,204.75/x
  3. Step 3: Cross multiply
    77,179.15x = 115,911.29 × 46,204.75
  4. Step 4: Simplify right side
    77,179.15x = 5,355,652,176.63
  5. Step 5: Solve for x
    x = 5,355,652,176.63/77,179.15
  6. Step 6: Final answer
    x = 69,392.47

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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.