Home / 86,438.44-119,296.75-50,642.72

Finding the Fourth Proportional to 86,438.44, 119,296.75 and 50,642.72

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Solution

The fourth proportional to 86,438.44, 119,296.75 and 50,642.72 is: 69,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,438.44 : 119,296.75 = 50,642.72 : x
  2. Step 2: Convert to fraction form
    86,438.44/119,296.75 = 50,642.72/x
  3. Step 3: Cross multiply
    86,438.44x = 119,296.75 × 50,642.72
  4. Step 4: Simplify right side
    86,438.44x = 6,041,511,726.39
  5. Step 5: Solve for x
    x = 6,041,511,726.39/86,438.44
  6. Step 6: Final answer
    x = 69,893.81

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1.5x scale

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.