Home / 86,873.08-119,896.14-48,647.18

Finding the Fourth Proportional to 86,873.08, 119,896.14 and 48,647.18

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Solution

The fourth proportional to 86,873.08, 119,896.14 and 48,647.18 is: 67,139.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,873.08 : 119,896.14 = 48,647.18 : x
  2. Step 2: Convert to fraction form
    86,873.08/119,896.14 = 48,647.18/x
  3. Step 3: Cross multiply
    86,873.08x = 119,896.14 × 48,647.18
  4. Step 4: Simplify right side
    86,873.08x = 5,832,609,103.89
  5. Step 5: Solve for x
    x = 5,832,609,103.89/86,873.08
  6. Step 6: Final answer
    x = 67,139.43

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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.