Home / 115,975.52-160,043.51-68,231.94

Finding the Fourth Proportional to 115,975.52, 160,043.51 and 68,231.94

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Solution

The fourth proportional to 115,975.52, 160,043.51 and 68,231.94 is: 94,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,975.52 : 160,043.51 = 68,231.94 : x
  2. Step 2: Convert to fraction form
    115,975.52/160,043.51 = 68,231.94/x
  3. Step 3: Cross multiply
    115,975.52x = 160,043.51 × 68,231.94
  4. Step 4: Simplify right side
    115,975.52x = 10,920,078,830.55
  5. Step 5: Solve for x
    x = 10,920,078,830.55/115,975.52
  6. Step 6: Final answer
    x = 94,158.48

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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.