Home / 75,075.22-103,586.40-44,870.32

Finding the Fourth Proportional to 75,075.22, 103,586.40 and 44,870.32

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Solution

The fourth proportional to 75,075.22, 103,586.40 and 44,870.32 is: 61,910.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075.22 : 103,586.40 = 44,870.32 : x
  2. Step 2: Convert to fraction form
    75,075.22/103,586.40 = 44,870.32/x
  3. Step 3: Cross multiply
    75,075.22x = 103,586.40 × 44,870.32
  4. Step 4: Simplify right side
    75,075.22x = 4,647,954,915.65
  5. Step 5: Solve for x
    x = 4,647,954,915.65/75,075.22
  6. Step 6: Final answer
    x = 61,910.64

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1.5x scale

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.