Home / 45,199.45-67,798.81-13,609.41

Finding the Fourth Proportional to 45,199.45, 67,798.81 and 13,609.41

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Solution

The fourth proportional to 45,199.45, 67,798.81 and 13,609.41 is: 20,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,199.45 : 67,798.81 = 13,609.41 : x
  2. Step 2: Convert to fraction form
    45,199.45/67,798.81 = 13,609.41/x
  3. Step 3: Cross multiply
    45,199.45x = 67,798.81 × 13,609.41
  4. Step 4: Simplify right side
    45,199.45x = 922,701,802.80
  5. Step 5: Solve for x
    x = 922,701,802.80/45,199.45
  6. Step 6: Final answer
    x = 20,414.01

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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.