Home / 86,208.15-118,944-50,406.96

Finding the Fourth Proportional to 86,208.15, 118,944 and 50,406.96

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Solution

The fourth proportional to 86,208.15, 118,944 and 50,406.96 is: 69,548.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,208.15 : 118,944 = 50,406.96 : x
  2. Step 2: Convert to fraction form
    86,208.15/118,944 = 50,406.96/x
  3. Step 3: Cross multiply
    86,208.15x = 118,944 × 50,406.96
  4. Step 4: Simplify right side
    86,208.15x = 5,995,605,450.24
  5. Step 5: Solve for x
    x = 5,995,605,450.24/86,208.15
  6. Step 6: Final answer
    x = 69,548.01

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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.