Home / 90,205.54-124,483.97-48,812.53

Finding the Fourth Proportional to 90,205.54, 124,483.97 and 48,812.53

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Solution

The fourth proportional to 90,205.54, 124,483.97 and 48,812.53 is: 67,361.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,205.54 : 124,483.97 = 48,812.53 : x
  2. Step 2: Convert to fraction form
    90,205.54/124,483.97 = 48,812.53/x
  3. Step 3: Cross multiply
    90,205.54x = 124,483.97 × 48,812.53
  4. Step 4: Simplify right side
    90,205.54x = 6,076,377,858.80
  5. Step 5: Solve for x
    x = 6,076,377,858.80/90,205.54
  6. Step 6: Final answer
    x = 67,361.47

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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.