Home / 45,326.54-67,989.80-17,240.10

Finding the Fourth Proportional to 45,326.54, 67,989.80 and 17,240.10

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Solution

The fourth proportional to 45,326.54, 67,989.80 and 17,240.10 is: 25,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,326.54 : 67,989.80 = 17,240.10 : x
  2. Step 2: Convert to fraction form
    45,326.54/67,989.80 = 17,240.10/x
  3. Step 3: Cross multiply
    45,326.54x = 67,989.80 × 17,240.10
  4. Step 4: Simplify right side
    45,326.54x = 1,172,150,950.98
  5. Step 5: Solve for x
    x = 1,172,150,950.98/45,326.54
  6. Step 6: Final answer
    x = 25,860.15

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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.