Home / 57,209.81-85,635.20-39,336.17

Finding the Fourth Proportional to 57,209.81, 85,635.20 and 39,336.17

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Solution

The fourth proportional to 57,209.81, 85,635.20 and 39,336.17 is: 58,880.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,209.81 : 85,635.20 = 39,336.17 : x
  2. Step 2: Convert to fraction form
    57,209.81/85,635.20 = 39,336.17/x
  3. Step 3: Cross multiply
    57,209.81x = 85,635.20 × 39,336.17
  4. Step 4: Simplify right side
    57,209.81x = 3,368,560,588.50
  5. Step 5: Solve for x
    x = 3,368,560,588.50/57,209.81
  6. Step 6: Final answer
    x = 58,880.82

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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.