Home / 74,351.55-102,605.22-40,360.02

Finding the Fourth Proportional to 74,351.55, 102,605.22 and 40,360.02

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Solution

The fourth proportional to 74,351.55, 102,605.22 and 40,360.02 is: 55,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,351.55 : 102,605.22 = 40,360.02 : x
  2. Step 2: Convert to fraction form
    74,351.55/102,605.22 = 40,360.02/x
  3. Step 3: Cross multiply
    74,351.55x = 102,605.22 × 40,360.02
  4. Step 4: Simplify right side
    74,351.55x = 4,141,148,731.30
  5. Step 5: Solve for x
    x = 4,141,148,731.30/74,351.55
  6. Step 6: Final answer
    x = 55,696.87

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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.