Home / 86,387.40-119,224.31-48,150.45

Finding the Fourth Proportional to 86,387.40, 119,224.31 and 48,150.45

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Solution

The fourth proportional to 86,387.40, 119,224.31 and 48,150.45 is: 66,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.40 : 119,224.31 = 48,150.45 : x
  2. Step 2: Convert to fraction form
    86,387.40/119,224.31 = 48,150.45/x
  3. Step 3: Cross multiply
    86,387.40x = 119,224.31 × 48,150.45
  4. Step 4: Simplify right side
    86,387.40x = 5,740,703,936.69
  5. Step 5: Solve for x
    x = 5,740,703,936.69/86,387.40
  6. Step 6: Final answer
    x = 66,453.02

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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.