Home / 86,531.06-119,412.96-48,805.31

Finding the Fourth Proportional to 86,531.06, 119,412.96 and 48,805.31

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Solution

The fourth proportional to 86,531.06, 119,412.96 and 48,805.31 is: 67,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,531.06 : 119,412.96 = 48,805.31 : x
  2. Step 2: Convert to fraction form
    86,531.06/119,412.96 = 48,805.31/x
  3. Step 3: Cross multiply
    86,531.06x = 119,412.96 × 48,805.31
  4. Step 4: Simplify right side
    86,531.06x = 5,827,986,530.82
  5. Step 5: Solve for x
    x = 5,827,986,530.82/86,531.06
  6. Step 6: Final answer
    x = 67,351.38

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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.