Home / 48,778.06-73,165.46-20,680.04

Finding the Fourth Proportional to 48,778.06, 73,165.46 and 20,680.04

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Solution

The fourth proportional to 48,778.06, 73,165.46 and 20,680.04 is: 31,019.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,778.06 : 73,165.46 = 20,680.04 : x
  2. Step 2: Convert to fraction form
    48,778.06/73,165.46 = 20,680.04/x
  3. Step 3: Cross multiply
    48,778.06x = 73,165.46 × 20,680.04
  4. Step 4: Simplify right side
    48,778.06x = 1,513,064,639.42
  5. Step 5: Solve for x
    x = 1,513,064,639.42/48,778.06
  6. Step 6: Final answer
    x = 31,019.37

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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.