Home / 74,552.15-102,880.94-40,560.24

Finding the Fourth Proportional to 74,552.15, 102,880.94 and 40,560.24

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Solution

The fourth proportional to 74,552.15, 102,880.94 and 40,560.24 is: 55,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,552.15 : 102,880.94 = 40,560.24 : x
  2. Step 2: Convert to fraction form
    74,552.15/102,880.94 = 40,560.24/x
  3. Step 3: Cross multiply
    74,552.15x = 102,880.94 × 40,560.24
  4. Step 4: Simplify right side
    74,552.15x = 4,172,875,800.83
  5. Step 5: Solve for x
    x = 4,172,875,800.83/74,552.15
  6. Step 6: Final answer
    x = 55,972.58

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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.