Home / 74,766.98-103,152.56-47,924.28

Finding the Fourth Proportional to 74,766.98, 103,152.56 and 47,924.28

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Solution

The fourth proportional to 74,766.98, 103,152.56 and 47,924.28 is: 66,118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.98 : 103,152.56 = 47,924.28 : x
  2. Step 2: Convert to fraction form
    74,766.98/103,152.56 = 47,924.28/x
  3. Step 3: Cross multiply
    74,766.98x = 103,152.56 × 47,924.28
  4. Step 4: Simplify right side
    74,766.98x = 4,943,511,928.54
  5. Step 5: Solve for x
    x = 4,943,511,928.54/74,766.98
  6. Step 6: Final answer
    x = 66,118.92

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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.