Home / 54,423.36-75,104.16-31,763.28

Finding the Fourth Proportional to 54,423.36, 75,104.16 and 31,763.28

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Solution

The fourth proportional to 54,423.36, 75,104.16 and 31,763.28 is: 43,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,423.36 : 75,104.16 = 31,763.28 : x
  2. Step 2: Convert to fraction form
    54,423.36/75,104.16 = 31,763.28/x
  3. Step 3: Cross multiply
    54,423.36x = 75,104.16 × 31,763.28
  4. Step 4: Simplify right side
    54,423.36x = 2,385,554,463.24
  5. Step 5: Solve for x
    x = 2,385,554,463.24/54,423.36
  6. Step 6: Final answer
    x = 43,833.28

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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.