Home / 111,019.12-166,524.63-51,773.02

Finding the Fourth Proportional to 111,019.12, 166,524.63 and 51,773.02

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Solution

The fourth proportional to 111,019.12, 166,524.63 and 51,773.02 is: 77,657.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,019.12 : 166,524.63 = 51,773.02 : x
  2. Step 2: Convert to fraction form
    111,019.12/166,524.63 = 51,773.02/x
  3. Step 3: Cross multiply
    111,019.12x = 166,524.63 × 51,773.02
  4. Step 4: Simplify right side
    111,019.12x = 8,621,482,999.48
  5. Step 5: Solve for x
    x = 8,621,482,999.48/111,019.12
  6. Step 6: Final answer
    x = 77,657.64

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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.