Home / 76,702.87-115,036.07-34,556.95

Finding the Fourth Proportional to 76,702.87, 115,036.07 and 34,556.95

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Solution

The fourth proportional to 76,702.87, 115,036.07 and 34,556.95 is: 51,827.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,702.87 : 115,036.07 = 34,556.95 : x
  2. Step 2: Convert to fraction form
    76,702.87/115,036.07 = 34,556.95/x
  3. Step 3: Cross multiply
    76,702.87x = 115,036.07 × 34,556.95
  4. Step 4: Simplify right side
    76,702.87x = 3,975,295,719.19
  5. Step 5: Solve for x
    x = 3,975,295,719.19/76,702.87
  6. Step 6: Final answer
    x = 51,827.21

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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.