Home / 40,157.90-60,226.34-12,070.44

Finding the Fourth Proportional to 40,157.90, 60,226.34 and 12,070.44

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Solution

The fourth proportional to 40,157.90, 60,226.34 and 12,070.44 is: 18,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,157.90 : 60,226.34 = 12,070.44 : x
  2. Step 2: Convert to fraction form
    40,157.90/60,226.34 = 12,070.44/x
  3. Step 3: Cross multiply
    40,157.90x = 60,226.34 × 12,070.44
  4. Step 4: Simplify right side
    40,157.90x = 726,958,423.39
  5. Step 5: Solve for x
    x = 726,958,423.39/40,157.90
  6. Step 6: Final answer
    x = 18,102.50

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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.