Home / 68,790.28-94,890.36-43,256.22

Finding the Fourth Proportional to 68,790.28, 94,890.36 and 43,256.22

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Solution

The fourth proportional to 68,790.28, 94,890.36 and 43,256.22 is: 59,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,790.28 : 94,890.36 = 43,256.22 : x
  2. Step 2: Convert to fraction form
    68,790.28/94,890.36 = 43,256.22/x
  3. Step 3: Cross multiply
    68,790.28x = 94,890.36 × 43,256.22
  4. Step 4: Simplify right side
    68,790.28x = 4,104,598,288.04
  5. Step 5: Solve for x
    x = 4,104,598,288.04/68,790.28
  6. Step 6: Final answer
    x = 59,668.29

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1.5x scale

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.