Home / 44,271.12-66,363.92-28,431.44

Finding the Fourth Proportional to 44,271.12, 66,363.92 and 28,431.44

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Solution

The fourth proportional to 44,271.12, 66,363.92 and 28,431.44 is: 42,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,271.12 : 66,363.92 = 28,431.44 : x
  2. Step 2: Convert to fraction form
    44,271.12/66,363.92 = 28,431.44/x
  3. Step 3: Cross multiply
    44,271.12x = 66,363.92 × 28,431.44
  4. Step 4: Simplify right side
    44,271.12x = 1,886,821,809.64
  5. Step 5: Solve for x
    x = 1,886,821,809.64/44,271.12
  6. Step 6: Final answer
    x = 42,619.70

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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.