Home / 69,075.90-103,668.53-26,976.15

Finding the Fourth Proportional to 69,075.90, 103,668.53 and 26,976.15

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Solution

The fourth proportional to 69,075.90, 103,668.53 and 26,976.15 is: 40,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,075.90 : 103,668.53 = 26,976.15 : x
  2. Step 2: Convert to fraction form
    69,075.90/103,668.53 = 26,976.15/x
  3. Step 3: Cross multiply
    69,075.90x = 103,668.53 × 26,976.15
  4. Step 4: Simplify right side
    69,075.90x = 2,796,577,680.68
  5. Step 5: Solve for x
    x = 2,796,577,680.68/69,075.90
  6. Step 6: Final answer
    x = 40,485.58

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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.