Home / 65,118.64-89,865.68-36,823.76

Finding the Fourth Proportional to 65,118.64, 89,865.68 and 36,823.76

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Solution

The fourth proportional to 65,118.64, 89,865.68 and 36,823.76 is: 50,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,118.64 : 89,865.68 = 36,823.76 : x
  2. Step 2: Convert to fraction form
    65,118.64/89,865.68 = 36,823.76/x
  3. Step 3: Cross multiply
    65,118.64x = 89,865.68 × 36,823.76
  4. Step 4: Simplify right side
    65,118.64x = 3,309,192,232.56
  5. Step 5: Solve for x
    x = 3,309,192,232.56/65,118.64
  6. Step 6: Final answer
    x = 50,817.90

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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.