Home / 86,739.42-119,701.89-49,014.48

Finding the Fourth Proportional to 86,739.42, 119,701.89 and 49,014.48

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Solution

The fourth proportional to 86,739.42, 119,701.89 and 49,014.48 is: 67,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,739.42 : 119,701.89 = 49,014.48 : x
  2. Step 2: Convert to fraction form
    86,739.42/119,701.89 = 49,014.48/x
  3. Step 3: Cross multiply
    86,739.42x = 119,701.89 × 49,014.48
  4. Step 4: Simplify right side
    86,739.42x = 5,867,125,893.37
  5. Step 5: Solve for x
    x = 5,867,125,893.37/86,739.42
  6. Step 6: Final answer
    x = 67,640.82

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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.