Home / 115,926.66-159,975.74-68,182.94

Finding the Fourth Proportional to 115,926.66, 159,975.74 and 68,182.94

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Solution

The fourth proportional to 115,926.66, 159,975.74 and 68,182.94 is: 94,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,926.66 : 159,975.74 = 68,182.94 : x
  2. Step 2: Convert to fraction form
    115,926.66/159,975.74 = 68,182.94/x
  3. Step 3: Cross multiply
    115,926.66x = 159,975.74 × 68,182.94
  4. Step 4: Simplify right side
    115,926.66x = 10,907,616,281.88
  5. Step 5: Solve for x
    x = 10,907,616,281.88/115,926.66
  6. Step 6: Final answer
    x = 94,090.66

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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.