Home / 60,675.04-91,021.68-19,121.44

Finding the Fourth Proportional to 60,675.04, 91,021.68 and 19,121.44

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Solution

The fourth proportional to 60,675.04, 91,021.68 and 19,121.44 is: 28,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,675.04 : 91,021.68 = 19,121.44 : x
  2. Step 2: Convert to fraction form
    60,675.04/91,021.68 = 19,121.44/x
  3. Step 3: Cross multiply
    60,675.04x = 91,021.68 × 19,121.44
  4. Step 4: Simplify right side
    60,675.04x = 1,740,465,592.82
  5. Step 5: Solve for x
    x = 1,740,465,592.82/60,675.04
  6. Step 6: Final answer
    x = 28,685.03

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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.