Home / 74,177.34-102,364.78-43,977.56

Finding the Fourth Proportional to 74,177.34, 102,364.78 and 43,977.56

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Solution

The fourth proportional to 74,177.34, 102,364.78 and 43,977.56 is: 60,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,177.34 : 102,364.78 = 43,977.56 : x
  2. Step 2: Convert to fraction form
    74,177.34/102,364.78 = 43,977.56/x
  3. Step 3: Cross multiply
    74,177.34x = 102,364.78 × 43,977.56
  4. Step 4: Simplify right side
    74,177.34x = 4,501,753,254.34
  5. Step 5: Solve for x
    x = 4,501,753,254.34/74,177.34
  6. Step 6: Final answer
    x = 60,689.06

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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.