Home / 76,618.58-114,899.43-26,685.86

Finding the Fourth Proportional to 76,618.58, 114,899.43 and 26,685.86

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Solution

The fourth proportional to 76,618.58, 114,899.43 and 26,685.86 is: 40,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,618.58 : 114,899.43 = 26,685.86 : x
  2. Step 2: Convert to fraction form
    76,618.58/114,899.43 = 26,685.86/x
  3. Step 3: Cross multiply
    76,618.58x = 114,899.43 × 26,685.86
  4. Step 4: Simplify right side
    76,618.58x = 3,066,190,103.06
  5. Step 5: Solve for x
    x = 3,066,190,103.06/76,618.58
  6. Step 6: Final answer
    x = 40,018.88

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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.