Home / 117,970.26-162,793.35-64,255.02

Finding the Fourth Proportional to 117,970.26, 162,793.35 and 64,255.02

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Solution

The fourth proportional to 117,970.26, 162,793.35 and 64,255.02 is: 88,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,970.26 : 162,793.35 = 64,255.02 : x
  2. Step 2: Convert to fraction form
    117,970.26/162,793.35 = 64,255.02/x
  3. Step 3: Cross multiply
    117,970.26x = 162,793.35 × 64,255.02
  4. Step 4: Simplify right side
    117,970.26x = 10,460,289,960.12
  5. Step 5: Solve for x
    x = 10,460,289,960.12/117,970.26
  6. Step 6: Final answer
    x = 88,668.87

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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.