Home / 76,942.60-115,446.30-41,907.40

Finding the Fourth Proportional to 76,942.60, 115,446.30 and 41,907.40

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Solution

The fourth proportional to 76,942.60, 115,446.30 and 41,907.40 is: 62,878.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,942.60 : 115,446.30 = 41,907.40 : x
  2. Step 2: Convert to fraction form
    76,942.60/115,446.30 = 41,907.40/x
  3. Step 3: Cross multiply
    76,942.60x = 115,446.30 × 41,907.40
  4. Step 4: Simplify right side
    76,942.60x = 4,838,054,272.62
  5. Step 5: Solve for x
    x = 4,838,054,272.62/76,942.60
  6. Step 6: Final answer
    x = 62,878.75

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1.5x scale

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.