Home / 64,586.84-96,827.97-20,190.74

Finding the Fourth Proportional to 64,586.84, 96,827.97 and 20,190.74

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Solution

The fourth proportional to 64,586.84, 96,827.97 and 20,190.74 is: 30,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,586.84 : 96,827.97 = 20,190.74 : x
  2. Step 2: Convert to fraction form
    64,586.84/96,827.97 = 20,190.74/x
  3. Step 3: Cross multiply
    64,586.84x = 96,827.97 × 20,190.74
  4. Step 4: Simplify right side
    64,586.84x = 1,955,027,958.57
  5. Step 5: Solve for x
    x = 1,955,027,958.57/64,586.84
  6. Step 6: Final answer
    x = 30,269.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.