Home / 94,072.48-129,809.38-55,818.32

Finding the Fourth Proportional to 94,072.48, 129,809.38 and 55,818.32

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Solution

The fourth proportional to 94,072.48, 129,809.38 and 55,818.32 is: 77,022.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,072.48 : 129,809.38 = 55,818.32 : x
  2. Step 2: Convert to fraction form
    94,072.48/129,809.38 = 55,818.32/x
  3. Step 3: Cross multiply
    94,072.48x = 129,809.38 × 55,818.32
  4. Step 4: Simplify right side
    94,072.48x = 7,245,741,511.84
  5. Step 5: Solve for x
    x = 7,245,741,511.84/94,072.48
  6. Step 6: Final answer
    x = 77,022.97

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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.