Home / 74,200.28-102,378.02-43,992.68

Finding the Fourth Proportional to 74,200.28, 102,378.02 and 43,992.68

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Solution

The fourth proportional to 74,200.28, 102,378.02 and 43,992.68 is: 60,699.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,200.28 : 102,378.02 = 43,992.68 : x
  2. Step 2: Convert to fraction form
    74,200.28/102,378.02 = 43,992.68/x
  3. Step 3: Cross multiply
    74,200.28x = 102,378.02 × 43,992.68
  4. Step 4: Simplify right side
    74,200.28x = 4,503,883,472.89
  5. Step 5: Solve for x
    x = 4,503,883,472.89/74,200.28
  6. Step 6: Final answer
    x = 60,699.01

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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.