Home / 43,709.51-65,521.70-27,865.10

Finding the Fourth Proportional to 43,709.51, 65,521.70 and 27,865.10

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Solution

The fourth proportional to 43,709.51, 65,521.70 and 27,865.10 is: 41,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,709.51 : 65,521.70 = 27,865.10 : x
  2. Step 2: Convert to fraction form
    43,709.51/65,521.70 = 27,865.10/x
  3. Step 3: Cross multiply
    43,709.51x = 65,521.70 × 27,865.10
  4. Step 4: Simplify right side
    43,709.51x = 1,825,768,395.06
  5. Step 5: Solve for x
    x = 1,825,768,395.06/43,709.51
  6. Step 6: Final answer
    x = 41,770.51

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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.