Home / 76,623.58-114,930.60-36,670.93

Finding the Fourth Proportional to 76,623.58, 114,930.60 and 36,670.93

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Solution

The fourth proportional to 76,623.58, 114,930.60 and 36,670.93 is: 55,004.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,623.58 : 114,930.60 = 36,670.93 : x
  2. Step 2: Convert to fraction form
    76,623.58/114,930.60 = 36,670.93/x
  3. Step 3: Cross multiply
    76,623.58x = 114,930.60 × 36,670.93
  4. Step 4: Simplify right side
    76,623.58x = 4,214,611,987.46
  5. Step 5: Solve for x
    x = 4,214,611,987.46/76,623.58
  6. Step 6: Final answer
    x = 55,004.11

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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.