Home / 67,026.06-100,539-17,106.15

Finding the Fourth Proportional to 67,026.06, 100,539 and 17,106.15

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Solution

The fourth proportional to 67,026.06, 100,539 and 17,106.15 is: 25,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,026.06 : 100,539 = 17,106.15 : x
  2. Step 2: Convert to fraction form
    67,026.06/100,539 = 17,106.15/x
  3. Step 3: Cross multiply
    67,026.06x = 100,539 × 17,106.15
  4. Step 4: Simplify right side
    67,026.06x = 1,719,835,214.85
  5. Step 5: Solve for x
    x = 1,719,835,214.85/67,026.06
  6. Step 6: Final answer
    x = 25,659.20

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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.