Home / 107,075.20-160,564.20-40,493.20

Finding the Fourth Proportional to 107,075.20, 160,564.20 and 40,493.20

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Solution

The fourth proportional to 107,075.20, 160,564.20 and 40,493.20 is: 60,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,075.20 : 160,564.20 = 40,493.20 : x
  2. Step 2: Convert to fraction form
    107,075.20/160,564.20 = 40,493.20/x
  3. Step 3: Cross multiply
    107,075.20x = 160,564.20 × 40,493.20
  4. Step 4: Simplify right side
    107,075.20x = 6,501,758,263.44
  5. Step 5: Solve for x
    x = 6,501,758,263.44/107,075.20
  6. Step 6: Final answer
    x = 60,721.42

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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.