Home / 100,520.10-150,675.12-33,937.38

Finding the Fourth Proportional to 100,520.10, 150,675.12 and 33,937.38

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Solution

The fourth proportional to 100,520.10, 150,675.12 and 33,937.38 is: 50,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,520.10 : 150,675.12 = 33,937.38 : x
  2. Step 2: Convert to fraction form
    100,520.10/150,675.12 = 33,937.38/x
  3. Step 3: Cross multiply
    100,520.10x = 150,675.12 × 33,937.38
  4. Step 4: Simplify right side
    100,520.10x = 5,113,518,803.99
  5. Step 5: Solve for x
    x = 5,113,518,803.99/100,520.10
  6. Step 6: Final answer
    x = 50,870.61

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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.