Home / 72,902.25-109,106.46-44,840.12

Finding the Fourth Proportional to 72,902.25, 109,106.46 and 44,840.12

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Solution

The fourth proportional to 72,902.25, 109,106.46 and 44,840.12 is: 67,108.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,902.25 : 109,106.46 = 44,840.12 : x
  2. Step 2: Convert to fraction form
    72,902.25/109,106.46 = 44,840.12/x
  3. Step 3: Cross multiply
    72,902.25x = 109,106.46 × 44,840.12
  4. Step 4: Simplify right side
    72,902.25x = 4,892,346,213.64
  5. Step 5: Solve for x
    x = 4,892,346,213.64/72,902.25
  6. Step 6: Final answer
    x = 67,108.30

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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.