Home / 76,342.32-114,396.66-40,808.66

Finding the Fourth Proportional to 76,342.32, 114,396.66 and 40,808.66

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Solution

The fourth proportional to 76,342.32, 114,396.66 and 40,808.66 is: 61,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,342.32 : 114,396.66 = 40,808.66 : x
  2. Step 2: Convert to fraction form
    76,342.32/114,396.66 = 40,808.66/x
  3. Step 3: Cross multiply
    76,342.32x = 114,396.66 × 40,808.66
  4. Step 4: Simplify right side
    76,342.32x = 4,668,374,403.08
  5. Step 5: Solve for x
    x = 4,668,374,403.08/76,342.32
  6. Step 6: Final answer
    x = 61,150.54

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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.