Home / 117,072.21-175,608.77-28,325.57

Finding the Fourth Proportional to 117,072.21, 175,608.77 and 28,325.57

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Solution

The fourth proportional to 117,072.21, 175,608.77 and 28,325.57 is: 42,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,072.21 : 175,608.77 = 28,325.57 : x
  2. Step 2: Convert to fraction form
    117,072.21/175,608.77 = 28,325.57/x
  3. Step 3: Cross multiply
    117,072.21x = 175,608.77 × 28,325.57
  4. Step 4: Simplify right side
    117,072.21x = 4,974,218,804.64
  5. Step 5: Solve for x
    x = 4,974,218,804.64/117,072.21
  6. Step 6: Final answer
    x = 42,488.47

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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.