Home / 80,983.36-111,756.98-45,173.36

Finding the Fourth Proportional to 80,983.36, 111,756.98 and 45,173.36

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Solution

The fourth proportional to 80,983.36, 111,756.98 and 45,173.36 is: 62,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,983.36 : 111,756.98 = 45,173.36 : x
  2. Step 2: Convert to fraction form
    80,983.36/111,756.98 = 45,173.36/x
  3. Step 3: Cross multiply
    80,983.36x = 111,756.98 × 45,173.36
  4. Step 4: Simplify right side
    80,983.36x = 5,048,438,682.38
  5. Step 5: Solve for x
    x = 5,048,438,682.38/80,983.36
  6. Step 6: Final answer
    x = 62,339.21

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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.