Home / 43,278.77-64,747.38-32,779.13

Finding the Fourth Proportional to 43,278.77, 64,747.38 and 32,779.13

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Solution

The fourth proportional to 43,278.77, 64,747.38 and 32,779.13 is: 49,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,278.77 : 64,747.38 = 32,779.13 : x
  2. Step 2: Convert to fraction form
    43,278.77/64,747.38 = 32,779.13/x
  3. Step 3: Cross multiply
    43,278.77x = 64,747.38 × 32,779.13
  4. Step 4: Simplify right side
    43,278.77x = 2,122,362,786.18
  5. Step 5: Solve for x
    x = 2,122,362,786.18/43,278.77
  6. Step 6: Final answer
    x = 49,039.35

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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.