Home / 75,440.90-104,109.20-41,448.85

Finding the Fourth Proportional to 75,440.90, 104,109.20 and 41,448.85

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Solution

The fourth proportional to 75,440.90, 104,109.20 and 41,448.85 is: 57,199.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,440.90 : 104,109.20 = 41,448.85 : x
  2. Step 2: Convert to fraction form
    75,440.90/104,109.20 = 41,448.85/x
  3. Step 3: Cross multiply
    75,440.90x = 104,109.20 × 41,448.85
  4. Step 4: Simplify right side
    75,440.90x = 4,315,206,302.34
  5. Step 5: Solve for x
    x = 4,315,206,302.34/75,440.90
  6. Step 6: Final answer
    x = 57,199.82

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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.