Home / 117,744.28-162,439.17-66,746.23

Finding the Fourth Proportional to 117,744.28, 162,439.17 and 66,746.23

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Solution

The fourth proportional to 117,744.28, 162,439.17 and 66,746.23 is: 92,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,744.28 : 162,439.17 = 66,746.23 : x
  2. Step 2: Convert to fraction form
    117,744.28/162,439.17 = 66,746.23/x
  3. Step 3: Cross multiply
    117,744.28x = 162,439.17 × 66,746.23
  4. Step 4: Simplify right side
    117,744.28x = 10,842,202,201.83
  5. Step 5: Solve for x
    x = 10,842,202,201.83/117,744.28
  6. Step 6: Final answer
    x = 92,082.62

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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.