Home / 66,200.41-99,295.21-21,826.45

Finding the Fourth Proportional to 66,200.41, 99,295.21 and 21,826.45

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Solution

The fourth proportional to 66,200.41, 99,295.21 and 21,826.45 is: 32,737.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,200.41 : 99,295.21 = 21,826.45 : x
  2. Step 2: Convert to fraction form
    66,200.41/99,295.21 = 21,826.45/x
  3. Step 3: Cross multiply
    66,200.41x = 99,295.21 × 21,826.45
  4. Step 4: Simplify right side
    66,200.41x = 2,167,261,936.30
  5. Step 5: Solve for x
    x = 2,167,261,936.30/66,200.41
  6. Step 6: Final answer
    x = 32,737.89

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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.