Home / 75,122.13-103,668.54-41,130.62

Finding the Fourth Proportional to 75,122.13, 103,668.54 and 41,130.62

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Solution

The fourth proportional to 75,122.13, 103,668.54 and 41,130.62 is: 56,760.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,122.13 : 103,668.54 = 41,130.62 : x
  2. Step 2: Convert to fraction form
    75,122.13/103,668.54 = 41,130.62/x
  3. Step 3: Cross multiply
    75,122.13x = 103,668.54 × 41,130.62
  4. Step 4: Simplify right side
    75,122.13x = 4,263,951,168.35
  5. Step 5: Solve for x
    x = 4,263,951,168.35/75,122.13
  6. Step 6: Final answer
    x = 56,760.25

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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.