Home / 75,256.32-103,859.84-41,721.60

Finding the Fourth Proportional to 75,256.32, 103,859.84 and 41,721.60

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Solution

The fourth proportional to 75,256.32, 103,859.84 and 41,721.60 is: 57,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,256.32 : 103,859.84 = 41,721.60 : x
  2. Step 2: Convert to fraction form
    75,256.32/103,859.84 = 41,721.60/x
  3. Step 3: Cross multiply
    75,256.32x = 103,859.84 × 41,721.60
  4. Step 4: Simplify right side
    75,256.32x = 4,333,198,700.54
  5. Step 5: Solve for x
    x = 4,333,198,700.54/75,256.32
  6. Step 6: Final answer
    x = 57,579.20

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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.