Home / 72,450.12-108,694.16-25,075.08

Finding the Fourth Proportional to 72,450.12, 108,694.16 and 25,075.08

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Solution

The fourth proportional to 72,450.12, 108,694.16 and 25,075.08 is: 37,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,450.12 : 108,694.16 = 25,075.08 : x
  2. Step 2: Convert to fraction form
    72,450.12/108,694.16 = 25,075.08/x
  3. Step 3: Cross multiply
    72,450.12x = 108,694.16 × 25,075.08
  4. Step 4: Simplify right side
    72,450.12x = 2,725,514,757.53
  5. Step 5: Solve for x
    x = 2,725,514,757.53/72,450.12
  6. Step 6: Final answer
    x = 37,619.19

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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.