Home / 80,896.77-111,638.10-45,089.09

Finding the Fourth Proportional to 80,896.77, 111,638.10 and 45,089.09

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Solution

The fourth proportional to 80,896.77, 111,638.10 and 45,089.09 is: 62,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896.77 : 111,638.10 = 45,089.09 : x
  2. Step 2: Convert to fraction form
    80,896.77/111,638.10 = 45,089.09/x
  3. Step 3: Cross multiply
    80,896.77x = 111,638.10 × 45,089.09
  4. Step 4: Simplify right side
    80,896.77x = 5,033,659,780.14
  5. Step 5: Solve for x
    x = 5,033,659,780.14/80,896.77
  6. Step 6: Final answer
    x = 62,223.25

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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.