Home / 86,727.66-130,097.82-36,802.08

Finding the Fourth Proportional to 86,727.66, 130,097.82 and 36,802.08

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Solution

The fourth proportional to 86,727.66, 130,097.82 and 36,802.08 is: 55,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.66 : 130,097.82 = 36,802.08 : x
  2. Step 2: Convert to fraction form
    86,727.66/130,097.82 = 36,802.08/x
  3. Step 3: Cross multiply
    86,727.66x = 130,097.82 × 36,802.08
  4. Step 4: Simplify right side
    86,727.66x = 4,787,870,379.47
  5. Step 5: Solve for x
    x = 4,787,870,379.47/86,727.66
  6. Step 6: Final answer
    x = 55,205.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.