Home / 111,121.50-166,534.63-63,759.29

Finding the Fourth Proportional to 111,121.50, 166,534.63 and 63,759.29

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Solution

The fourth proportional to 111,121.50, 166,534.63 and 63,759.29 is: 95,554.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,121.50 : 166,534.63 = 63,759.29 : x
  2. Step 2: Convert to fraction form
    111,121.50/166,534.63 = 63,759.29/x
  3. Step 3: Cross multiply
    111,121.50x = 166,534.63 × 63,759.29
  4. Step 4: Simplify right side
    111,121.50x = 10,618,129,135.79
  5. Step 5: Solve for x
    x = 10,618,129,135.79/111,121.50
  6. Step 6: Final answer
    x = 95,554.22

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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.