Home / 80,486.24-111,048.45-50,302.23

Finding the Fourth Proportional to 80,486.24, 111,048.45 and 50,302.23

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Solution

The fourth proportional to 80,486.24, 111,048.45 and 50,302.23 is: 69,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,486.24 : 111,048.45 = 50,302.23 : x
  2. Step 2: Convert to fraction form
    80,486.24/111,048.45 = 50,302.23/x
  3. Step 3: Cross multiply
    80,486.24x = 111,048.45 × 50,302.23
  4. Step 4: Simplify right side
    80,486.24x = 5,585,984,673.04
  5. Step 5: Solve for x
    x = 5,585,984,673.04/80,486.24
  6. Step 6: Final answer
    x = 69,402.98

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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.