Home / 74,528.24-102,848.76-40,994

Finding the Fourth Proportional to 74,528.24, 102,848.76 and 40,994

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Solution

The fourth proportional to 74,528.24, 102,848.76 and 40,994 is: 56,571.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,528.24 : 102,848.76 = 40,994 : x
  2. Step 2: Convert to fraction form
    74,528.24/102,848.76 = 40,994/x
  3. Step 3: Cross multiply
    74,528.24x = 102,848.76 × 40,994
  4. Step 4: Simplify right side
    74,528.24x = 4,216,182,067.44
  5. Step 5: Solve for x
    x = 4,216,182,067.44/74,528.24
  6. Step 6: Final answer
    x = 56,571.60

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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.