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Finding the Fourth Proportional to 94,382.98, 130,248.42 and 51,941.52

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Solution

The fourth proportional to 94,382.98, 130,248.42 and 51,941.52 is: 71,679.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,382.98 : 130,248.42 = 51,941.52 : x
  2. Step 2: Convert to fraction form
    94,382.98/130,248.42 = 51,941.52/x
  3. Step 3: Cross multiply
    94,382.98x = 130,248.42 × 51,941.52
  4. Step 4: Simplify right side
    94,382.98x = 6,765,300,912.40
  5. Step 5: Solve for x
    x = 6,765,300,912.40/94,382.98
  6. Step 6: Final answer
    x = 71,679.25

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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.