Home / 103,611.84-155,287.62-44,378.16

Finding the Fourth Proportional to 103,611.84, 155,287.62 and 44,378.16

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Solution

The fourth proportional to 103,611.84, 155,287.62 and 44,378.16 is: 66,511.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611.84 : 155,287.62 = 44,378.16 : x
  2. Step 2: Convert to fraction form
    103,611.84/155,287.62 = 44,378.16/x
  3. Step 3: Cross multiply
    103,611.84x = 155,287.62 × 44,378.16
  4. Step 4: Simplify right side
    103,611.84x = 6,891,378,846.38
  5. Step 5: Solve for x
    x = 6,891,378,846.38/103,611.84
  6. Step 6: Final answer
    x = 66,511.50

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1.5x scale

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.