Home / 72,072.21-108,020.58-51,018.22

Finding the Fourth Proportional to 72,072.21, 108,020.58 and 51,018.22

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Solution

The fourth proportional to 72,072.21, 108,020.58 and 51,018.22 is: 76,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,072.21 : 108,020.58 = 51,018.22 : x
  2. Step 2: Convert to fraction form
    72,072.21/108,020.58 = 51,018.22/x
  3. Step 3: Cross multiply
    72,072.21x = 108,020.58 × 51,018.22
  4. Step 4: Simplify right side
    72,072.21x = 5,511,017,714.97
  5. Step 5: Solve for x
    x = 5,511,017,714.97/72,072.21
  6. Step 6: Final answer
    x = 76,465.22

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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.