Home / 102,323.72-141,157.68-66,524.96

Finding the Fourth Proportional to 102,323.72, 141,157.68 and 66,524.96

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Solution

The fourth proportional to 102,323.72, 141,157.68 and 66,524.96 is: 91,772.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,323.72 : 141,157.68 = 66,524.96 : x
  2. Step 2: Convert to fraction form
    102,323.72/141,157.68 = 66,524.96/x
  3. Step 3: Cross multiply
    102,323.72x = 141,157.68 × 66,524.96
  4. Step 4: Simplify right side
    102,323.72x = 9,390,509,015.69
  5. Step 5: Solve for x
    x = 9,390,509,015.69/102,323.72
  6. Step 6: Final answer
    x = 91,772.55

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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.