Home / 80,903.00-111,648.77-45,100.59

Finding the Fourth Proportional to 80,903.00, 111,648.77 and 45,100.59

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Solution

The fourth proportional to 80,903.00, 111,648.77 and 45,100.59 is: 62,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,903.00 : 111,648.77 = 45,100.59 : x
  2. Step 2: Convert to fraction form
    80,903.00/111,648.77 = 45,100.59/x
  3. Step 3: Cross multiply
    80,903.00x = 111,648.77 × 45,100.59
  4. Step 4: Simplify right side
    80,903.00x = 5,035,425,174.27
  5. Step 5: Solve for x
    x = 5,035,425,174.27/80,903.00
  6. Step 6: Final answer
    x = 62,240.28

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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.