Home / 45,221.40-67,812.66-14,059.08

Finding the Fourth Proportional to 45,221.40, 67,812.66 and 14,059.08

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Solution

The fourth proportional to 45,221.40, 67,812.66 and 14,059.08 is: 21,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,221.40 : 67,812.66 = 14,059.08 : x
  2. Step 2: Convert to fraction form
    45,221.40/67,812.66 = 14,059.08/x
  3. Step 3: Cross multiply
    45,221.40x = 67,812.66 × 14,059.08
  4. Step 4: Simplify right side
    45,221.40x = 953,383,611.95
  5. Step 5: Solve for x
    x = 953,383,611.95/45,221.40
  6. Step 6: Final answer
    x = 21,082.58

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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.