Home / 86,768.09-119,739.11-48,527.20

Finding the Fourth Proportional to 86,768.09, 119,739.11 and 48,527.20

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Solution

The fourth proportional to 86,768.09, 119,739.11 and 48,527.20 is: 66,967.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,768.09 : 119,739.11 = 48,527.20 : x
  2. Step 2: Convert to fraction form
    86,768.09/119,739.11 = 48,527.20/x
  3. Step 3: Cross multiply
    86,768.09x = 119,739.11 × 48,527.20
  4. Step 4: Simplify right side
    86,768.09x = 5,810,603,738.79
  5. Step 5: Solve for x
    x = 5,810,603,738.79/86,768.09
  6. Step 6: Final answer
    x = 66,967.06

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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.