Home / 106,895.12-160,347.84-28,009.42

Finding the Fourth Proportional to 106,895.12, 160,347.84 and 28,009.42

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Solution

The fourth proportional to 106,895.12, 160,347.84 and 28,009.42 is: 42,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,895.12 : 160,347.84 = 28,009.42 : x
  2. Step 2: Convert to fraction form
    106,895.12/160,347.84 = 28,009.42/x
  3. Step 3: Cross multiply
    106,895.12x = 160,347.84 × 28,009.42
  4. Step 4: Simplify right side
    106,895.12x = 4,491,250,302.12
  5. Step 5: Solve for x
    x = 4,491,250,302.12/106,895.12
  6. Step 6: Final answer
    x = 42,015.49

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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.