Home / 74,222.10-102,432.97-40,694.58

Finding the Fourth Proportional to 74,222.10, 102,432.97 and 40,694.58

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Solution

The fourth proportional to 74,222.10, 102,432.97 and 40,694.58 is: 56,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,222.10 : 102,432.97 = 40,694.58 : x
  2. Step 2: Convert to fraction form
    74,222.10/102,432.97 = 40,694.58/x
  3. Step 3: Cross multiply
    74,222.10x = 102,432.97 × 40,694.58
  4. Step 4: Simplify right side
    74,222.10x = 4,168,466,180.14
  5. Step 5: Solve for x
    x = 4,168,466,180.14/74,222.10
  6. Step 6: Final answer
    x = 56,162.07

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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.