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Finding the Fourth Proportional to 74,295.88, 111,471.56 and 29,935.22

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Solution

The fourth proportional to 74,295.88, 111,471.56 and 29,935.22 is: 44,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,295.88 : 111,471.56 = 29,935.22 : x
  2. Step 2: Convert to fraction form
    74,295.88/111,471.56 = 29,935.22/x
  3. Step 3: Cross multiply
    74,295.88x = 111,471.56 × 29,935.22
  4. Step 4: Simplify right side
    74,295.88x = 3,336,925,077.57
  5. Step 5: Solve for x
    x = 3,336,925,077.57/74,295.88
  6. Step 6: Final answer
    x = 44,914.00

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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.