Home / 74,351.01-102,604.67-40,359.57

Finding the Fourth Proportional to 74,351.01, 102,604.67 and 40,359.57

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Solution

The fourth proportional to 74,351.01, 102,604.67 and 40,359.57 is: 55,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.01 : 102,604.67 = 40,359.57 : x
  2. Step 2: Convert to fraction form
    74,351.01/102,604.67 = 40,359.57/x
  3. Step 3: Cross multiply
    74,351.01x = 102,604.67 × 40,359.57
  4. Step 4: Simplify right side
    74,351.01x = 4,141,080,153.00
  5. Step 5: Solve for x
    x = 4,141,080,153.00/74,351.01
  6. Step 6: Final answer
    x = 55,696.35

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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.