Home / 76,770.54-115,189.26-26,886.42

Finding the Fourth Proportional to 76,770.54, 115,189.26 and 26,886.42

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Solution

The fourth proportional to 76,770.54, 115,189.26 and 26,886.42 is: 40,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,770.54 : 115,189.26 = 26,886.42 : x
  2. Step 2: Convert to fraction form
    76,770.54/115,189.26 = 26,886.42/x
  3. Step 3: Cross multiply
    76,770.54x = 115,189.26 × 26,886.42
  4. Step 4: Simplify right side
    76,770.54x = 3,097,026,823.85
  5. Step 5: Solve for x
    x = 3,097,026,823.85/76,770.54
  6. Step 6: Final answer
    x = 40,341.34

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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.