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Finding the Fourth Proportional to 94,530, 130,454.15 and 52,091.27

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Solution

The fourth proportional to 94,530, 130,454.15 and 52,091.27 is: 71,887.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,530 : 130,454.15 = 52,091.27 : x
  2. Step 2: Convert to fraction form
    94,530/130,454.15 = 52,091.27/x
  3. Step 3: Cross multiply
    94,530x = 130,454.15 × 52,091.27
  4. Step 4: Simplify right side
    94,530x = 6,795,521,437.54
  5. Step 5: Solve for x
    x = 6,795,521,437.54/94,530
  6. Step 6: Final answer
    x = 71,887.46

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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.