Home / 62,075-93,122.22-20,531.72

Finding the Fourth Proportional to 62,075, 93,122.22 and 20,531.72

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Solution

The fourth proportional to 62,075, 93,122.22 and 20,531.72 is: 30,800.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,075 : 93,122.22 = 20,531.72 : x
  2. Step 2: Convert to fraction form
    62,075/93,122.22 = 20,531.72/x
  3. Step 3: Cross multiply
    62,075x = 93,122.22 × 20,531.72
  4. Step 4: Simplify right side
    62,075x = 1,911,959,346.82
  5. Step 5: Solve for x
    x = 1,911,959,346.82/62,075
  6. Step 6: Final answer
    x = 30,800.79

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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.