Home / 103,611.38-155,442.59-33,490.70

Finding the Fourth Proportional to 103,611.38, 155,442.59 and 33,490.70

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Solution

The fourth proportional to 103,611.38, 155,442.59 and 33,490.70 is: 50,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,611.38 : 155,442.59 = 33,490.70 : x
  2. Step 2: Convert to fraction form
    103,611.38/155,442.59 = 33,490.70/x
  3. Step 3: Cross multiply
    103,611.38x = 155,442.59 × 33,490.70
  4. Step 4: Simplify right side
    103,611.38x = 5,205,880,204.25
  5. Step 5: Solve for x
    x = 5,205,880,204.25/103,611.38
  6. Step 6: Final answer
    x = 50,244.29

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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.