Home / 65,823.28-90,841-37,529.68

Finding the Fourth Proportional to 65,823.28, 90,841 and 37,529.68

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Solution

The fourth proportional to 65,823.28, 90,841 and 37,529.68 is: 51,793.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,823.28 : 90,841 = 37,529.68 : x
  2. Step 2: Convert to fraction form
    65,823.28/90,841 = 37,529.68/x
  3. Step 3: Cross multiply
    65,823.28x = 90,841 × 37,529.68
  4. Step 4: Simplify right side
    65,823.28x = 3,409,233,660.88
  5. Step 5: Solve for x
    x = 3,409,233,660.88/65,823.28
  6. Step 6: Final answer
    x = 51,793.74

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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.