Home / 48,701.60-73,052.40-45,785.60

Finding the Fourth Proportional to 48,701.60, 73,052.40 and 45,785.60

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Solution

The fourth proportional to 48,701.60, 73,052.40 and 45,785.60 is: 68,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,701.60 : 73,052.40 = 45,785.60 : x
  2. Step 2: Convert to fraction form
    48,701.60/73,052.40 = 45,785.60/x
  3. Step 3: Cross multiply
    48,701.60x = 73,052.40 × 45,785.60
  4. Step 4: Simplify right side
    48,701.60x = 3,344,747,965.44
  5. Step 5: Solve for x
    x = 3,344,747,965.44/48,701.60
  6. Step 6: Final answer
    x = 68,678.40

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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.