Home / 100,414.32-150,621.51-38,084.82

Finding the Fourth Proportional to 100,414.32, 150,621.51 and 38,084.82

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Solution

The fourth proportional to 100,414.32, 150,621.51 and 38,084.82 is: 57,127.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,414.32 : 150,621.51 = 38,084.82 : x
  2. Step 2: Convert to fraction form
    100,414.32/150,621.51 = 38,084.82/x
  3. Step 3: Cross multiply
    100,414.32x = 150,621.51 × 38,084.82
  4. Step 4: Simplify right side
    100,414.32x = 5,736,393,096.48
  5. Step 5: Solve for x
    x = 5,736,393,096.48/100,414.32
  6. Step 6: Final answer
    x = 57,127.24

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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.