Home / 106,901.19-160,339.50-28,021.64

Finding the Fourth Proportional to 106,901.19, 160,339.50 and 28,021.64

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Solution

The fourth proportional to 106,901.19, 160,339.50 and 28,021.64 is: 42,029.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,901.19 : 160,339.50 = 28,021.64 : x
  2. Step 2: Convert to fraction form
    106,901.19/160,339.50 = 28,021.64/x
  3. Step 3: Cross multiply
    106,901.19x = 160,339.50 × 28,021.64
  4. Step 4: Simplify right side
    106,901.19x = 4,492,974,945.08
  5. Step 5: Solve for x
    x = 4,492,974,945.08/106,901.19
  6. Step 6: Final answer
    x = 42,029.23

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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.