Home / 48,315.05-66,676.46-28,168.53

Finding the Fourth Proportional to 48,315.05, 66,676.46 and 28,168.53

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Solution

The fourth proportional to 48,315.05, 66,676.46 and 28,168.53 is: 38,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,315.05 : 66,676.46 = 28,168.53 : x
  2. Step 2: Convert to fraction form
    48,315.05/66,676.46 = 28,168.53/x
  3. Step 3: Cross multiply
    48,315.05x = 66,676.46 × 28,168.53
  4. Step 4: Simplify right side
    48,315.05x = 1,878,177,722.96
  5. Step 5: Solve for x
    x = 1,878,177,722.96/48,315.05
  6. Step 6: Final answer
    x = 38,873.56

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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.