Home / 74,463.47-102,760.38-40,471.96

Finding the Fourth Proportional to 74,463.47, 102,760.38 and 40,471.96

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Solution

The fourth proportional to 74,463.47, 102,760.38 and 40,471.96 is: 55,851.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,463.47 : 102,760.38 = 40,471.96 : x
  2. Step 2: Convert to fraction form
    74,463.47/102,760.38 = 40,471.96/x
  3. Step 3: Cross multiply
    74,463.47x = 102,760.38 × 40,471.96
  4. Step 4: Simplify right side
    74,463.47x = 4,158,913,988.94
  5. Step 5: Solve for x
    x = 4,158,913,988.94/74,463.47
  6. Step 6: Final answer
    x = 55,851.73

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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.