Home / 89,784.88-123,903.64-52,081.52

Finding the Fourth Proportional to 89,784.88, 123,903.64 and 52,081.52

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Solution

The fourth proportional to 89,784.88, 123,903.64 and 52,081.52 is: 71,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,784.88 : 123,903.64 = 52,081.52 : x
  2. Step 2: Convert to fraction form
    89,784.88/123,903.64 = 52,081.52/x
  3. Step 3: Cross multiply
    89,784.88x = 123,903.64 × 52,081.52
  4. Step 4: Simplify right side
    89,784.88x = 6,453,089,904.73
  5. Step 5: Solve for x
    x = 6,453,089,904.73/89,784.88
  6. Step 6: Final answer
    x = 71,872.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.