Home / 45,271.62-67,911.06-17,205.12

Finding the Fourth Proportional to 45,271.62, 67,911.06 and 17,205.12

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Solution

The fourth proportional to 45,271.62, 67,911.06 and 17,205.12 is: 25,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,271.62 : 67,911.06 = 17,205.12 : x
  2. Step 2: Convert to fraction form
    45,271.62/67,911.06 = 17,205.12/x
  3. Step 3: Cross multiply
    45,271.62x = 67,911.06 × 17,205.12
  4. Step 4: Simplify right side
    45,271.62x = 1,168,417,936.63
  5. Step 5: Solve for x
    x = 1,168,417,936.63/45,271.62
  6. Step 6: Final answer
    x = 25,809.06

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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.