Home / 80,558.15-111,224.01-50,386.19

Finding the Fourth Proportional to 80,558.15, 111,224.01 and 50,386.19

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Solution

The fourth proportional to 80,558.15, 111,224.01 and 50,386.19 is: 69,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,558.15 : 111,224.01 = 50,386.19 : x
  2. Step 2: Convert to fraction form
    80,558.15/111,224.01 = 50,386.19/x
  3. Step 3: Cross multiply
    80,558.15x = 111,224.01 × 50,386.19
  4. Step 4: Simplify right side
    80,558.15x = 5,604,153,544.30
  5. Step 5: Solve for x
    x = 5,604,153,544.30/80,558.15
  6. Step 6: Final answer
    x = 69,566.57

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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.