Home / 100,048.02-150,071.96-40,103.58

Finding the Fourth Proportional to 100,048.02, 150,071.96 and 40,103.58

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Solution

The fourth proportional to 100,048.02, 150,071.96 and 40,103.58 is: 60,155.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,048.02 : 150,071.96 = 40,103.58 : x
  2. Step 2: Convert to fraction form
    100,048.02/150,071.96 = 40,103.58/x
  3. Step 3: Cross multiply
    100,048.02x = 150,071.96 × 40,103.58
  4. Step 4: Simplify right side
    100,048.02x = 6,018,422,853.62
  5. Step 5: Solve for x
    x = 6,018,422,853.62/100,048.02
  6. Step 6: Final answer
    x = 60,155.34

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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.