Home / 130,028.60-195,062.29-40,063.79

Finding the Fourth Proportional to 130,028.60, 195,062.29 and 40,063.79

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Solution

The fourth proportional to 130,028.60, 195,062.29 and 40,063.79 is: 60,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,028.60 : 195,062.29 = 40,063.79 : x
  2. Step 2: Convert to fraction form
    130,028.60/195,062.29 = 40,063.79/x
  3. Step 3: Cross multiply
    130,028.60x = 195,062.29 × 40,063.79
  4. Step 4: Simplify right side
    130,028.60x = 7,814,934,107.24
  5. Step 5: Solve for x
    x = 7,814,934,107.24/130,028.60
  6. Step 6: Final answer
    x = 60,101.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.