Home / 66,572.96-91,828.50-50,622.44

Finding the Fourth Proportional to 66,572.96, 91,828.50 and 50,622.44

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Solution

The fourth proportional to 66,572.96, 91,828.50 and 50,622.44 is: 69,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572.96 : 91,828.50 = 50,622.44 : x
  2. Step 2: Convert to fraction form
    66,572.96/91,828.50 = 50,622.44/x
  3. Step 3: Cross multiply
    66,572.96x = 91,828.50 × 50,622.44
  4. Step 4: Simplify right side
    66,572.96x = 4,648,582,731.54
  5. Step 5: Solve for x
    x = 4,648,582,731.54/66,572.96
  6. Step 6: Final answer
    x = 69,826.89

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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.