Home / 74,018.81-102,164.19-45,333.27

Finding the Fourth Proportional to 74,018.81, 102,164.19 and 45,333.27

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Solution

The fourth proportional to 74,018.81, 102,164.19 and 45,333.27 is: 62,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,018.81 : 102,164.19 = 45,333.27 : x
  2. Step 2: Convert to fraction form
    74,018.81/102,164.19 = 45,333.27/x
  3. Step 3: Cross multiply
    74,018.81x = 102,164.19 × 45,333.27
  4. Step 4: Simplify right side
    74,018.81x = 4,631,436,639.60
  5. Step 5: Solve for x
    x = 4,631,436,639.60/74,018.81
  6. Step 6: Final answer
    x = 62,571.07

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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.