Home / 93,514.26-140,047.42-68,145.78

Finding the Fourth Proportional to 93,514.26, 140,047.42 and 68,145.78

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Solution

The fourth proportional to 93,514.26, 140,047.42 and 68,145.78 is: 102,055.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,514.26 : 140,047.42 = 68,145.78 : x
  2. Step 2: Convert to fraction form
    93,514.26/140,047.42 = 68,145.78/x
  3. Step 3: Cross multiply
    93,514.26x = 140,047.42 × 68,145.78
  4. Step 4: Simplify right side
    93,514.26x = 9,543,640,672.89
  5. Step 5: Solve for x
    x = 9,543,640,672.89/93,514.26
  6. Step 6: Final answer
    x = 102,055.46

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1.5x scale

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.