Home / 69,291.78-95,628.45-39,075.54

Finding the Fourth Proportional to 69,291.78, 95,628.45 and 39,075.54

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Solution

The fourth proportional to 69,291.78, 95,628.45 and 39,075.54 is: 53,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,291.78 : 95,628.45 = 39,075.54 : x
  2. Step 2: Convert to fraction form
    69,291.78/95,628.45 = 39,075.54/x
  3. Step 3: Cross multiply
    69,291.78x = 95,628.45 × 39,075.54
  4. Step 4: Simplify right side
    69,291.78x = 3,736,733,323.11
  5. Step 5: Solve for x
    x = 3,736,733,323.11/69,291.78
  6. Step 6: Final answer
    x = 53,927.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.