Home / 75,122.10-103,668.53-41,132.75

Finding the Fourth Proportional to 75,122.10, 103,668.53 and 41,132.75

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Solution

The fourth proportional to 75,122.10, 103,668.53 and 41,132.75 is: 56,763.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.10 : 103,668.53 = 41,132.75 : x
  2. Step 2: Convert to fraction form
    75,122.10/103,668.53 = 41,132.75/x
  3. Step 3: Cross multiply
    75,122.10x = 103,668.53 × 41,132.75
  4. Step 4: Simplify right side
    75,122.10x = 4,264,171,727.36
  5. Step 5: Solve for x
    x = 4,264,171,727.36/75,122.10
  6. Step 6: Final answer
    x = 56,763.21

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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.