Home / 80,022.21-110,395.95-48,172.65

Finding the Fourth Proportional to 80,022.21, 110,395.95 and 48,172.65

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Solution

The fourth proportional to 80,022.21, 110,395.95 and 48,172.65 is: 66,457.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.21 : 110,395.95 = 48,172.65 : x
  2. Step 2: Convert to fraction form
    80,022.21/110,395.95 = 48,172.65/x
  3. Step 3: Cross multiply
    80,022.21x = 110,395.95 × 48,172.65
  4. Step 4: Simplify right side
    80,022.21x = 5,318,065,219.90
  5. Step 5: Solve for x
    x = 5,318,065,219.90/80,022.21
  6. Step 6: Final answer
    x = 66,457.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.