Home / 74,253.21-102,460.24-47,411.43

Finding the Fourth Proportional to 74,253.21, 102,460.24 and 47,411.43

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Solution

The fourth proportional to 74,253.21, 102,460.24 and 47,411.43 is: 65,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,253.21 : 102,460.24 = 47,411.43 : x
  2. Step 2: Convert to fraction form
    74,253.21/102,460.24 = 47,411.43/x
  3. Step 3: Cross multiply
    74,253.21x = 102,460.24 × 47,411.43
  4. Step 4: Simplify right side
    74,253.21x = 4,857,786,496.54
  5. Step 5: Solve for x
    x = 4,857,786,496.54/74,253.21
  6. Step 6: Final answer
    x = 65,421.91

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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.