Home / 65,245.28-90,035.73-38,023.94

Finding the Fourth Proportional to 65,245.28, 90,035.73 and 38,023.94

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Solution

The fourth proportional to 65,245.28, 90,035.73 and 38,023.94 is: 52,471.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,245.28 : 90,035.73 = 38,023.94 : x
  2. Step 2: Convert to fraction form
    65,245.28/90,035.73 = 38,023.94/x
  3. Step 3: Cross multiply
    65,245.28x = 90,035.73 × 38,023.94
  4. Step 4: Simplify right side
    65,245.28x = 3,423,513,195.38
  5. Step 5: Solve for x
    x = 3,423,513,195.38/65,245.28
  6. Step 6: Final answer
    x = 52,471.43

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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.