Home / 102,644.19-153,907.47-31,548.33

Finding the Fourth Proportional to 102,644.19, 153,907.47 and 31,548.33

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Solution

The fourth proportional to 102,644.19, 153,907.47 and 31,548.33 is: 47,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,644.19 : 153,907.47 = 31,548.33 : x
  2. Step 2: Convert to fraction form
    102,644.19/153,907.47 = 31,548.33/x
  3. Step 3: Cross multiply
    102,644.19x = 153,907.47 × 31,548.33
  4. Step 4: Simplify right side
    102,644.19x = 4,855,523,653.03
  5. Step 5: Solve for x
    x = 4,855,523,653.03/102,644.19
  6. Step 6: Final answer
    x = 47,304.42

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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.