Home / 75,254.19-103,855.46-41,720.19

Finding the Fourth Proportional to 75,254.19, 103,855.46 and 41,720.19

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Solution

The fourth proportional to 75,254.19, 103,855.46 and 41,720.19 is: 57,576.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,254.19 : 103,855.46 = 41,720.19 : x
  2. Step 2: Convert to fraction form
    75,254.19/103,855.46 = 41,720.19/x
  3. Step 3: Cross multiply
    75,254.19x = 103,855.46 × 41,720.19
  4. Step 4: Simplify right side
    75,254.19x = 4,332,869,523.74
  5. Step 5: Solve for x
    x = 4,332,869,523.74/75,254.19
  6. Step 6: Final answer
    x = 57,576.46

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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.