Home / 74,458.65-102,753.62-40,467.23

Finding the Fourth Proportional to 74,458.65, 102,753.62 and 40,467.23

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Solution

The fourth proportional to 74,458.65, 102,753.62 and 40,467.23 is: 55,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,458.65 : 102,753.62 = 40,467.23 : x
  2. Step 2: Convert to fraction form
    74,458.65/102,753.62 = 40,467.23/x
  3. Step 3: Cross multiply
    74,458.65x = 102,753.62 × 40,467.23
  4. Step 4: Simplify right side
    74,458.65x = 4,158,154,711.47
  5. Step 5: Solve for x
    x = 4,158,154,711.47/74,458.65
  6. Step 6: Final answer
    x = 55,845.15

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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.