Home / 43,075.44-64,642.80-16,780.32

Finding the Fourth Proportional to 43,075.44, 64,642.80 and 16,780.32

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Solution

The fourth proportional to 43,075.44, 64,642.80 and 16,780.32 is: 25,182.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.44 : 64,642.80 = 16,780.32 : x
  2. Step 2: Convert to fraction form
    43,075.44/64,642.80 = 16,780.32/x
  3. Step 3: Cross multiply
    43,075.44x = 64,642.80 × 16,780.32
  4. Step 4: Simplify right side
    43,075.44x = 1,084,726,869.70
  5. Step 5: Solve for x
    x = 1,084,726,869.70/43,075.44
  6. Step 6: Final answer
    x = 25,182.03

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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.