Home / 68,220.28-102,205.74-49,453.77

Finding the Fourth Proportional to 68,220.28, 102,205.74 and 49,453.77

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Solution

The fourth proportional to 68,220.28, 102,205.74 and 49,453.77 is: 74,090.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,220.28 : 102,205.74 = 49,453.77 : x
  2. Step 2: Convert to fraction form
    68,220.28/102,205.74 = 49,453.77/x
  3. Step 3: Cross multiply
    68,220.28x = 102,205.74 × 49,453.77
  4. Step 4: Simplify right side
    68,220.28x = 5,054,459,588.27
  5. Step 5: Solve for x
    x = 5,054,459,588.27/68,220.28
  6. Step 6: Final answer
    x = 74,090.27

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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.