Home / 74,495.20-102,801.86-40,504.36

Finding the Fourth Proportional to 74,495.20, 102,801.86 and 40,504.36

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Solution

The fourth proportional to 74,495.20, 102,801.86 and 40,504.36 is: 55,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,495.20 : 102,801.86 = 40,504.36 : x
  2. Step 2: Convert to fraction form
    74,495.20/102,801.86 = 40,504.36/x
  3. Step 3: Cross multiply
    74,495.20x = 102,801.86 × 40,504.36
  4. Step 4: Simplify right side
    74,495.20x = 4,163,923,546.11
  5. Step 5: Solve for x
    x = 4,163,923,546.11/74,495.20
  6. Step 6: Final answer
    x = 55,895.19

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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.