Home / 43,782.98-65,619.09-27,981.92

Finding the Fourth Proportional to 43,782.98, 65,619.09 and 27,981.92

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Solution

The fourth proportional to 43,782.98, 65,619.09 and 27,981.92 is: 41,937.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,782.98 : 65,619.09 = 27,981.92 : x
  2. Step 2: Convert to fraction form
    43,782.98/65,619.09 = 27,981.92/x
  3. Step 3: Cross multiply
    43,782.98x = 65,619.09 × 27,981.92
  4. Step 4: Simplify right side
    43,782.98x = 1,836,148,126.85
  5. Step 5: Solve for x
    x = 1,836,148,126.85/43,782.98
  6. Step 6: Final answer
    x = 41,937.49

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1.5x scale

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.