Home / 76,128.32-114,181.28-44,552.96

Finding the Fourth Proportional to 76,128.32, 114,181.28 and 44,552.96

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Solution

The fourth proportional to 76,128.32, 114,181.28 and 44,552.96 is: 66,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,128.32 : 114,181.28 = 44,552.96 : x
  2. Step 2: Convert to fraction form
    76,128.32/114,181.28 = 44,552.96/x
  3. Step 3: Cross multiply
    76,128.32x = 114,181.28 × 44,552.96
  4. Step 4: Simplify right side
    76,128.32x = 5,087,114,000.59
  5. Step 5: Solve for x
    x = 5,087,114,000.59/76,128.32
  6. Step 6: Final answer
    x = 66,822.89

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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.