Home / 74,432.30-102,717.76-40,441.46

Finding the Fourth Proportional to 74,432.30, 102,717.76 and 40,441.46

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Solution

The fourth proportional to 74,432.30, 102,717.76 and 40,441.46 is: 55,809.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,432.30 : 102,717.76 = 40,441.46 : x
  2. Step 2: Convert to fraction form
    74,432.30/102,717.76 = 40,441.46/x
  3. Step 3: Cross multiply
    74,432.30x = 102,717.76 × 40,441.46
  4. Step 4: Simplify right side
    74,432.30x = 4,154,056,182.33
  5. Step 5: Solve for x
    x = 4,154,056,182.33/74,432.30
  6. Step 6: Final answer
    x = 55,809.86

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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.