Home / 48,709.04-67,213.34-28,287.11

Finding the Fourth Proportional to 48,709.04, 67,213.34 and 28,287.11

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Solution

The fourth proportional to 48,709.04, 67,213.34 and 28,287.11 is: 39,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,709.04 : 67,213.34 = 28,287.11 : x
  2. Step 2: Convert to fraction form
    48,709.04/67,213.34 = 28,287.11/x
  3. Step 3: Cross multiply
    48,709.04x = 67,213.34 × 28,287.11
  4. Step 4: Simplify right side
    48,709.04x = 1,901,271,142.05
  5. Step 5: Solve for x
    x = 1,901,271,142.05/48,709.04
  6. Step 6: Final answer
    x = 39,033.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.