Home / 40,120.02-60,135.21-35,451.18

Finding the Fourth Proportional to 40,120.02, 60,135.21 and 35,451.18

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Solution

The fourth proportional to 40,120.02, 60,135.21 and 35,451.18 is: 53,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,120.02 : 60,135.21 = 35,451.18 : x
  2. Step 2: Convert to fraction form
    40,120.02/60,135.21 = 35,451.18/x
  3. Step 3: Cross multiply
    40,120.02x = 60,135.21 × 35,451.18
  4. Step 4: Simplify right side
    40,120.02x = 2,131,864,154.05
  5. Step 5: Solve for x
    x = 2,131,864,154.05/40,120.02
  6. Step 6: Final answer
    x = 53,137.17

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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.