Home / 74,350.94-102,579.30-47,509.16

Finding the Fourth Proportional to 74,350.94, 102,579.30 and 47,509.16

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Solution

The fourth proportional to 74,350.94, 102,579.30 and 47,509.16 is: 65,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.94 : 102,579.30 = 47,509.16 : x
  2. Step 2: Convert to fraction form
    74,350.94/102,579.30 = 47,509.16/x
  3. Step 3: Cross multiply
    74,350.94x = 102,579.30 × 47,509.16
  4. Step 4: Simplify right side
    74,350.94x = 4,873,456,376.39
  5. Step 5: Solve for x
    x = 4,873,456,376.39/74,350.94
  6. Step 6: Final answer
    x = 65,546.67

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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.