Home / 102,168.07-153,257.87-31,093.02

Finding the Fourth Proportional to 102,168.07, 153,257.87 and 31,093.02

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Solution

The fourth proportional to 102,168.07, 153,257.87 and 31,093.02 is: 46,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.07 : 153,257.87 = 31,093.02 : x
  2. Step 2: Convert to fraction form
    102,168.07/153,257.87 = 31,093.02/x
  3. Step 3: Cross multiply
    102,168.07x = 153,257.87 × 31,093.02
  4. Step 4: Simplify right side
    102,168.07x = 4,765,250,017.07
  5. Step 5: Solve for x
    x = 4,765,250,017.07/102,168.07
  6. Step 6: Final answer
    x = 46,641.28

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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.