Home / 77,022.90-106,234.74-48,701.25

Finding the Fourth Proportional to 77,022.90, 106,234.74 and 48,701.25

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Solution

The fourth proportional to 77,022.90, 106,234.74 and 48,701.25 is: 67,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,022.90 : 106,234.74 = 48,701.25 : x
  2. Step 2: Convert to fraction form
    77,022.90/106,234.74 = 48,701.25/x
  3. Step 3: Cross multiply
    77,022.90x = 106,234.74 × 48,701.25
  4. Step 4: Simplify right side
    77,022.90x = 5,173,764,631.43
  5. Step 5: Solve for x
    x = 5,173,764,631.43/77,022.90
  6. Step 6: Final answer
    x = 67,171.77

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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.