Home / 74,062.22-102,225.04-45,391.46

Finding the Fourth Proportional to 74,062.22, 102,225.04 and 45,391.46

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Solution

The fourth proportional to 74,062.22, 102,225.04 and 45,391.46 is: 62,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.22 : 102,225.04 = 45,391.46 : x
  2. Step 2: Convert to fraction form
    74,062.22/102,225.04 = 45,391.46/x
  3. Step 3: Cross multiply
    74,062.22x = 102,225.04 × 45,391.46
  4. Step 4: Simplify right side
    74,062.22x = 4,640,143,189.55
  5. Step 5: Solve for x
    x = 4,640,143,189.55/74,062.22
  6. Step 6: Final answer
    x = 62,651.96

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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.