Home / 86,160.30-118,878.73-50,329.95

Finding the Fourth Proportional to 86,160.30, 118,878.73 and 50,329.95

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Solution

The fourth proportional to 86,160.30, 118,878.73 and 50,329.95 is: 69,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,160.30 : 118,878.73 = 50,329.95 : x
  2. Step 2: Convert to fraction form
    86,160.30/118,878.73 = 50,329.95/x
  3. Step 3: Cross multiply
    86,160.30x = 118,878.73 × 50,329.95
  4. Step 4: Simplify right side
    86,160.30x = 5,983,160,536.96
  5. Step 5: Solve for x
    x = 5,983,160,536.96/86,160.30
  6. Step 6: Final answer
    x = 69,442.20

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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.