Home / 80,477.06-111,053.18-50,260.60

Finding the Fourth Proportional to 80,477.06, 111,053.18 and 50,260.60

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Solution

The fourth proportional to 80,477.06, 111,053.18 and 50,260.60 is: 69,356.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,477.06 : 111,053.18 = 50,260.60 : x
  2. Step 2: Convert to fraction form
    80,477.06/111,053.18 = 50,260.60/x
  3. Step 3: Cross multiply
    80,477.06x = 111,053.18 × 50,260.60
  4. Step 4: Simplify right side
    80,477.06x = 5,581,598,652.14
  5. Step 5: Solve for x
    x = 5,581,598,652.14/80,477.06
  6. Step 6: Final answer
    x = 69,356.39

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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.