Home / 74,426.44-102,708.06-40,434.66

Finding the Fourth Proportional to 74,426.44, 102,708.06 and 40,434.66

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Solution

The fourth proportional to 74,426.44, 102,708.06 and 40,434.66 is: 55,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,426.44 : 102,708.06 = 40,434.66 : x
  2. Step 2: Convert to fraction form
    74,426.44/102,708.06 = 40,434.66/x
  3. Step 3: Cross multiply
    74,426.44x = 102,708.06 × 40,434.66
  4. Step 4: Simplify right side
    74,426.44x = 4,152,965,485.36
  5. Step 5: Solve for x
    x = 4,152,965,485.36/74,426.44
  6. Step 6: Final answer
    x = 55,799.60

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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.