Home / 86,495.31-119,367.68-48,768.75

Finding the Fourth Proportional to 86,495.31, 119,367.68 and 48,768.75

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Solution

The fourth proportional to 86,495.31, 119,367.68 and 48,768.75 is: 67,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,495.31 : 119,367.68 = 48,768.75 : x
  2. Step 2: Convert to fraction form
    86,495.31/119,367.68 = 48,768.75/x
  3. Step 3: Cross multiply
    86,495.31x = 119,367.68 × 48,768.75
  4. Step 4: Simplify right side
    86,495.31x = 5,821,412,300.16
  5. Step 5: Solve for x
    x = 5,821,412,300.16/86,495.31
  6. Step 6: Final answer
    x = 67,303.21

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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.