Home / 111,918.90-167,772.83-55,705.87

Finding the Fourth Proportional to 111,918.90, 167,772.83 and 55,705.87

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Solution

The fourth proportional to 111,918.90, 167,772.83 and 55,705.87 is: 83,506.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,918.90 : 167,772.83 = 55,705.87 : x
  2. Step 2: Convert to fraction form
    111,918.90/167,772.83 = 55,705.87/x
  3. Step 3: Cross multiply
    111,918.90x = 167,772.83 × 55,705.87
  4. Step 4: Simplify right side
    111,918.90x = 9,345,931,388.70
  5. Step 5: Solve for x
    x = 9,345,931,388.70/111,918.90
  6. Step 6: Final answer
    x = 83,506.28

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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.