Home / 114,707.62-171,784.56-68,983.83

Finding the Fourth Proportional to 114,707.62, 171,784.56 and 68,983.83

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Solution

The fourth proportional to 114,707.62, 171,784.56 and 68,983.83 is: 103,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,707.62 : 171,784.56 = 68,983.83 : x
  2. Step 2: Convert to fraction form
    114,707.62/171,784.56 = 68,983.83/x
  3. Step 3: Cross multiply
    114,707.62x = 171,784.56 × 68,983.83
  4. Step 4: Simplify right side
    114,707.62x = 11,850,356,024.74
  5. Step 5: Solve for x
    x = 11,850,356,024.74/114,707.62
  6. Step 6: Final answer
    x = 103,309.24

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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.