Home / 74,207.28-110,648.97-65,964.72

Finding the Fourth Proportional to 74,207.28, 110,648.97 and 65,964.72

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Solution

The fourth proportional to 74,207.28, 110,648.97 and 65,964.72 is: 98,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,207.28 : 110,648.97 = 65,964.72 : x
  2. Step 2: Convert to fraction form
    74,207.28/110,648.97 = 65,964.72/x
  3. Step 3: Cross multiply
    74,207.28x = 110,648.97 × 65,964.72
  4. Step 4: Simplify right side
    74,207.28x = 7,298,928,324.34
  5. Step 5: Solve for x
    x = 7,298,928,324.34/74,207.28
  6. Step 6: Final answer
    x = 98,358.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.