Home / 105,516.52-158,274.74-35,395.60

Finding the Fourth Proportional to 105,516.52, 158,274.74 and 35,395.60

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Solution

The fourth proportional to 105,516.52, 158,274.74 and 35,395.60 is: 53,093.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,516.52 : 158,274.74 = 35,395.60 : x
  2. Step 2: Convert to fraction form
    105,516.52/158,274.74 = 35,395.60/x
  3. Step 3: Cross multiply
    105,516.52x = 158,274.74 × 35,395.60
  4. Step 4: Simplify right side
    105,516.52x = 5,602,229,387.14
  5. Step 5: Solve for x
    x = 5,602,229,387.14/105,516.52
  6. Step 6: Final answer
    x = 53,093.39

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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.