Home / 86,277.15-119,039.22-50,475.96

Finding the Fourth Proportional to 86,277.15, 119,039.22 and 50,475.96

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Solution

The fourth proportional to 86,277.15, 119,039.22 and 50,475.96 is: 69,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,277.15 : 119,039.22 = 50,475.96 : x
  2. Step 2: Convert to fraction form
    86,277.15/119,039.22 = 50,475.96/x
  3. Step 3: Cross multiply
    86,277.15x = 119,039.22 × 50,475.96
  4. Step 4: Simplify right side
    86,277.15x = 6,008,618,907.15
  5. Step 5: Solve for x
    x = 6,008,618,907.15/86,277.15
  6. Step 6: Final answer
    x = 69,643.22

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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.