Home / 114,145.72-157,584.43-68,835.18

Finding the Fourth Proportional to 114,145.72, 157,584.43 and 68,835.18

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Solution

The fourth proportional to 114,145.72, 157,584.43 and 68,835.18 is: 95,030.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,145.72 : 157,584.43 = 68,835.18 : x
  2. Step 2: Convert to fraction form
    114,145.72/157,584.43 = 68,835.18/x
  3. Step 3: Cross multiply
    114,145.72x = 157,584.43 × 68,835.18
  4. Step 4: Simplify right side
    114,145.72x = 10,847,351,816.33
  5. Step 5: Solve for x
    x = 10,847,351,816.33/114,145.72
  6. Step 6: Final answer
    x = 95,030.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.