Home / 75,205.28-103,782.88-41,671.20

Finding the Fourth Proportional to 75,205.28, 103,782.88 and 41,671.20

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Solution

The fourth proportional to 75,205.28, 103,782.88 and 41,671.20 is: 57,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,205.28 : 103,782.88 = 41,671.20 : x
  2. Step 2: Convert to fraction form
    75,205.28/103,782.88 = 41,671.20/x
  3. Step 3: Cross multiply
    75,205.28x = 103,782.88 × 41,671.20
  4. Step 4: Simplify right side
    75,205.28x = 4,324,757,149.06
  5. Step 5: Solve for x
    x = 4,324,757,149.06/75,205.28
  6. Step 6: Final answer
    x = 57,506.03

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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.