Home / 86,007.92-118,716.18-57,369.29

Finding the Fourth Proportional to 86,007.92, 118,716.18 and 57,369.29

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Solution

The fourth proportional to 86,007.92, 118,716.18 and 57,369.29 is: 79,186.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,007.92 : 118,716.18 = 57,369.29 : x
  2. Step 2: Convert to fraction form
    86,007.92/118,716.18 = 57,369.29/x
  3. Step 3: Cross multiply
    86,007.92x = 118,716.18 × 57,369.29
  4. Step 4: Simplify right side
    86,007.92x = 6,810,662,958.11
  5. Step 5: Solve for x
    x = 6,810,662,958.11/86,007.92
  6. Step 6: Final answer
    x = 79,186.46

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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.