Home / 102,900.44-154,378.37-52,953.31

Finding the Fourth Proportional to 102,900.44, 154,378.37 and 52,953.31

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Solution

The fourth proportional to 102,900.44, 154,378.37 and 52,953.31 is: 79,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,900.44 : 154,378.37 = 52,953.31 : x
  2. Step 2: Convert to fraction form
    102,900.44/154,378.37 = 52,953.31/x
  3. Step 3: Cross multiply
    102,900.44x = 154,378.37 × 52,953.31
  4. Step 4: Simplify right side
    102,900.44x = 8,174,846,009.26
  5. Step 5: Solve for x
    x = 8,174,846,009.26/102,900.44
  6. Step 6: Final answer
    x = 79,444.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.