Home / 76,243.38-114,376.08-28,845.62

Finding the Fourth Proportional to 76,243.38, 114,376.08 and 28,845.62

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Solution

The fourth proportional to 76,243.38, 114,376.08 and 28,845.62 is: 43,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,243.38 : 114,376.08 = 28,845.62 : x
  2. Step 2: Convert to fraction form
    76,243.38/114,376.08 = 28,845.62/x
  3. Step 3: Cross multiply
    76,243.38x = 114,376.08 × 28,845.62
  4. Step 4: Simplify right side
    76,243.38x = 3,299,248,940.77
  5. Step 5: Solve for x
    x = 3,299,248,940.77/76,243.38
  6. Step 6: Final answer
    x = 43,272.60

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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.