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Finding the Fourth Proportional to 94,891.53, 130,944.69 and 52,447.53

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Solution

The fourth proportional to 94,891.53, 130,944.69 and 52,447.53 is: 72,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,891.53 : 130,944.69 = 52,447.53 : x
  2. Step 2: Convert to fraction form
    94,891.53/130,944.69 = 52,447.53/x
  3. Step 3: Cross multiply
    94,891.53x = 130,944.69 × 52,447.53
  4. Step 4: Simplify right side
    94,891.53x = 6,867,725,557.12
  5. Step 5: Solve for x
    x = 6,867,725,557.12/94,891.53
  6. Step 6: Final answer
    x = 72,374.48

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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.