Home / 86,530.03-119,412.56-50,239.98

Finding the Fourth Proportional to 86,530.03, 119,412.56 and 50,239.98

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Solution

The fourth proportional to 86,530.03, 119,412.56 and 50,239.98 is: 69,331.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,530.03 : 119,412.56 = 50,239.98 : x
  2. Step 2: Convert to fraction form
    86,530.03/119,412.56 = 50,239.98/x
  3. Step 3: Cross multiply
    86,530.03x = 119,412.56 × 50,239.98
  4. Step 4: Simplify right side
    86,530.03x = 5,999,284,751.75
  5. Step 5: Solve for x
    x = 5,999,284,751.75/86,530.03
  6. Step 6: Final answer
    x = 69,331.83

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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.