Home / 104,918.36-157,424.04-54,986.58

Finding the Fourth Proportional to 104,918.36, 157,424.04 and 54,986.58

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Solution

The fourth proportional to 104,918.36, 157,424.04 and 54,986.58 is: 82,504.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,918.36 : 157,424.04 = 54,986.58 : x
  2. Step 2: Convert to fraction form
    104,918.36/157,424.04 = 54,986.58/x
  3. Step 3: Cross multiply
    104,918.36x = 157,424.04 × 54,986.58
  4. Step 4: Simplify right side
    104,918.36x = 8,656,209,569.38
  5. Step 5: Solve for x
    x = 8,656,209,569.38/104,918.36
  6. Step 6: Final answer
    x = 82,504.24

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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.