Home / 80,510.36-111,104.71-50,313.24

Finding the Fourth Proportional to 80,510.36, 111,104.71 and 50,313.24

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Solution

The fourth proportional to 80,510.36, 111,104.71 and 50,313.24 is: 69,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,510.36 : 111,104.71 = 50,313.24 : x
  2. Step 2: Convert to fraction form
    80,510.36/111,104.71 = 50,313.24/x
  3. Step 3: Cross multiply
    80,510.36x = 111,104.71 × 50,313.24
  4. Step 4: Simplify right side
    80,510.36x = 5,590,037,939.36
  5. Step 5: Solve for x
    x = 5,590,037,939.36/80,510.36
  6. Step 6: Final answer
    x = 69,432.53

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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.