Home / 103,660.06-155,512.77-33,538.36

Finding the Fourth Proportional to 103,660.06, 155,512.77 and 33,538.36

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Solution

The fourth proportional to 103,660.06, 155,512.77 and 33,538.36 is: 50,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.06 : 155,512.77 = 33,538.36 : x
  2. Step 2: Convert to fraction form
    103,660.06/155,512.77 = 33,538.36/x
  3. Step 3: Cross multiply
    103,660.06x = 155,512.77 × 33,538.36
  4. Step 4: Simplify right side
    103,660.06x = 5,215,643,264.86
  5. Step 5: Solve for x
    x = 5,215,643,264.86/103,660.06
  6. Step 6: Final answer
    x = 50,314.88

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1.5x scale

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.