Home / 111,918.21-167,935.63-49,574.13

Finding the Fourth Proportional to 111,918.21, 167,935.63 and 49,574.13

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Solution

The fourth proportional to 111,918.21, 167,935.63 and 49,574.13 is: 74,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,918.21 : 167,935.63 = 49,574.13 : x
  2. Step 2: Convert to fraction form
    111,918.21/167,935.63 = 49,574.13/x
  3. Step 3: Cross multiply
    111,918.21x = 167,935.63 × 49,574.13
  4. Step 4: Simplify right side
    111,918.21x = 8,325,262,753.25
  5. Step 5: Solve for x
    x = 8,325,262,753.25/111,918.21
  6. Step 6: Final answer
    x = 74,387.03

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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.