Home / 86,387.43-119,210.06-48,659.31

Finding the Fourth Proportional to 86,387.43, 119,210.06 and 48,659.31

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Solution

The fourth proportional to 86,387.43, 119,210.06 and 48,659.31 is: 67,147.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,387.43 : 119,210.06 = 48,659.31 : x
  2. Step 2: Convert to fraction form
    86,387.43/119,210.06 = 48,659.31/x
  3. Step 3: Cross multiply
    86,387.43x = 119,210.06 × 48,659.31
  4. Step 4: Simplify right side
    86,387.43x = 5,800,679,021.36
  5. Step 5: Solve for x
    x = 5,800,679,021.36/86,387.43
  6. Step 6: Final answer
    x = 67,147.26

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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.