Home / 43,823.14-65,734.71-10,543.20

Finding the Fourth Proportional to 43,823.14, 65,734.71 and 10,543.20

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Solution

The fourth proportional to 43,823.14, 65,734.71 and 10,543.20 is: 15,814.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.14 : 65,734.71 = 10,543.20 : x
  2. Step 2: Convert to fraction form
    43,823.14/65,734.71 = 10,543.20/x
  3. Step 3: Cross multiply
    43,823.14x = 65,734.71 × 10,543.20
  4. Step 4: Simplify right side
    43,823.14x = 693,054,399.89
  5. Step 5: Solve for x
    x = 693,054,399.89/43,823.14
  6. Step 6: Final answer
    x = 15,814.80

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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.