Home / 74,949.44-103,429.32-40,957.76

Finding the Fourth Proportional to 74,949.44, 103,429.32 and 40,957.76

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Solution

The fourth proportional to 74,949.44, 103,429.32 and 40,957.76 is: 56,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,949.44 : 103,429.32 = 40,957.76 : x
  2. Step 2: Convert to fraction form
    74,949.44/103,429.32 = 40,957.76/x
  3. Step 3: Cross multiply
    74,949.44x = 103,429.32 × 40,957.76
  4. Step 4: Simplify right side
    74,949.44x = 4,236,233,265.52
  5. Step 5: Solve for x
    x = 4,236,233,265.52/74,949.44
  6. Step 6: Final answer
    x = 56,521.21

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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.