Home / 103,584.48-155,376.28-28,704.41

Finding the Fourth Proportional to 103,584.48, 155,376.28 and 28,704.41

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Solution

The fourth proportional to 103,584.48, 155,376.28 and 28,704.41 is: 43,056.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,584.48 : 155,376.28 = 28,704.41 : x
  2. Step 2: Convert to fraction form
    103,584.48/155,376.28 = 28,704.41/x
  3. Step 3: Cross multiply
    103,584.48x = 155,376.28 × 28,704.41
  4. Step 4: Simplify right side
    103,584.48x = 4,459,984,404.64
  5. Step 5: Solve for x
    x = 4,459,984,404.64/103,584.48
  6. Step 6: Final answer
    x = 43,056.49

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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.