Home / 86,802.18-119,790.42-50,991.88

Finding the Fourth Proportional to 86,802.18, 119,790.42 and 50,991.88

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Solution

The fourth proportional to 86,802.18, 119,790.42 and 50,991.88 is: 70,370.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,802.18 : 119,790.42 = 50,991.88 : x
  2. Step 2: Convert to fraction form
    86,802.18/119,790.42 = 50,991.88/x
  3. Step 3: Cross multiply
    86,802.18x = 119,790.42 × 50,991.88
  4. Step 4: Simplify right side
    86,802.18x = 6,108,338,599.12
  5. Step 5: Solve for x
    x = 6,108,338,599.12/86,802.18
  6. Step 6: Final answer
    x = 70,370.80

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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.