Home / 86,028.42-118,717.46-48,302.68

Finding the Fourth Proportional to 86,028.42, 118,717.46 and 48,302.68

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Solution

The fourth proportional to 86,028.42, 118,717.46 and 48,302.68 is: 66,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,028.42 : 118,717.46 = 48,302.68 : x
  2. Step 2: Convert to fraction form
    86,028.42/118,717.46 = 48,302.68/x
  3. Step 3: Cross multiply
    86,028.42x = 118,717.46 × 48,302.68
  4. Step 4: Simplify right side
    86,028.42x = 5,734,371,480.79
  5. Step 5: Solve for x
    x = 5,734,371,480.79/86,028.42
  6. Step 6: Final answer
    x = 66,656.71

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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.