Home / 106,690.22-160,043.50-31,804.64

Finding the Fourth Proportional to 106,690.22, 160,043.50 and 31,804.64

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Solution

The fourth proportional to 106,690.22, 160,043.50 and 31,804.64 is: 47,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,690.22 : 160,043.50 = 31,804.64 : x
  2. Step 2: Convert to fraction form
    106,690.22/160,043.50 = 31,804.64/x
  3. Step 3: Cross multiply
    106,690.22x = 160,043.50 × 31,804.64
  4. Step 4: Simplify right side
    106,690.22x = 5,090,125,901.84
  5. Step 5: Solve for x
    x = 5,090,125,901.84/106,690.22
  6. Step 6: Final answer
    x = 47,709.40

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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.