Home / 43,756.08-65,633.40-28,273.20

Finding the Fourth Proportional to 43,756.08, 65,633.40 and 28,273.20

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Solution

The fourth proportional to 43,756.08, 65,633.40 and 28,273.20 is: 42,409.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,756.08 : 65,633.40 = 28,273.20 : x
  2. Step 2: Convert to fraction form
    43,756.08/65,633.40 = 28,273.20/x
  3. Step 3: Cross multiply
    43,756.08x = 65,633.40 × 28,273.20
  4. Step 4: Simplify right side
    43,756.08x = 1,855,666,244.88
  5. Step 5: Solve for x
    x = 1,855,666,244.88/43,756.08
  6. Step 6: Final answer
    x = 42,409.33

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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.