Home / 82,690.48-114,099.02-48,705.74

Finding the Fourth Proportional to 82,690.48, 114,099.02 and 48,705.74

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Solution

The fourth proportional to 82,690.48, 114,099.02 and 48,705.74 is: 67,205.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,690.48 : 114,099.02 = 48,705.74 : x
  2. Step 2: Convert to fraction form
    82,690.48/114,099.02 = 48,705.74/x
  3. Step 3: Cross multiply
    82,690.48x = 114,099.02 × 48,705.74
  4. Step 4: Simplify right side
    82,690.48x = 5,557,277,202.37
  5. Step 5: Solve for x
    x = 5,557,277,202.37/82,690.48
  6. Step 6: Final answer
    x = 67,205.77

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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.