Home / 74,022.09-111,040.19-20,714.10

Finding the Fourth Proportional to 74,022.09, 111,040.19 and 20,714.10

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Solution

The fourth proportional to 74,022.09, 111,040.19 and 20,714.10 is: 31,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,022.09 : 111,040.19 = 20,714.10 : x
  2. Step 2: Convert to fraction form
    74,022.09/111,040.19 = 20,714.10/x
  3. Step 3: Cross multiply
    74,022.09x = 111,040.19 × 20,714.10
  4. Step 4: Simplify right side
    74,022.09x = 2,300,097,599.68
  5. Step 5: Solve for x
    x = 2,300,097,599.68/74,022.09
  6. Step 6: Final answer
    x = 31,073.12

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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.