Home / 108,918.24-150,304.32-61,169.28

Finding the Fourth Proportional to 108,918.24, 150,304.32 and 61,169.28

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Solution

The fourth proportional to 108,918.24, 150,304.32 and 61,169.28 is: 84,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918.24 : 150,304.32 = 61,169.28 : x
  2. Step 2: Convert to fraction form
    108,918.24/150,304.32 = 61,169.28/x
  3. Step 3: Cross multiply
    108,918.24x = 150,304.32 × 61,169.28
  4. Step 4: Simplify right side
    108,918.24x = 9,194,007,035.29
  5. Step 5: Solve for x
    x = 9,194,007,035.29/108,918.24
  6. Step 6: Final answer
    x = 84,412.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.