Home / 69,512.34-104,283.09-30,075.06

Finding the Fourth Proportional to 69,512.34, 104,283.09 and 30,075.06

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Solution

The fourth proportional to 69,512.34, 104,283.09 and 30,075.06 is: 45,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,512.34 : 104,283.09 = 30,075.06 : x
  2. Step 2: Convert to fraction form
    69,512.34/104,283.09 = 30,075.06/x
  3. Step 3: Cross multiply
    69,512.34x = 104,283.09 × 30,075.06
  4. Step 4: Simplify right side
    69,512.34x = 3,136,320,188.74
  5. Step 5: Solve for x
    x = 3,136,320,188.74/69,512.34
  6. Step 6: Final answer
    x = 45,118.90

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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.