Home / 106,498.01-159,719.64-31,600.44

Finding the Fourth Proportional to 106,498.01, 159,719.64 and 31,600.44

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Solution

The fourth proportional to 106,498.01, 159,719.64 and 31,600.44 is: 47,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,498.01 : 159,719.64 = 31,600.44 : x
  2. Step 2: Convert to fraction form
    106,498.01/159,719.64 = 31,600.44/x
  3. Step 3: Cross multiply
    106,498.01x = 159,719.64 × 31,600.44
  4. Step 4: Simplify right side
    106,498.01x = 5,047,210,900.64
  5. Step 5: Solve for x
    x = 5,047,210,900.64/106,498.01
  6. Step 6: Final answer
    x = 47,392.54

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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.