Home / 92,435.80-138,673.26-30,101.56

Finding the Fourth Proportional to 92,435.80, 138,673.26 and 30,101.56

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Solution

The fourth proportional to 92,435.80, 138,673.26 and 30,101.56 is: 45,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,435.80 : 138,673.26 = 30,101.56 : x
  2. Step 2: Convert to fraction form
    92,435.80/138,673.26 = 30,101.56/x
  3. Step 3: Cross multiply
    92,435.80x = 138,673.26 × 30,101.56
  4. Step 4: Simplify right side
    92,435.80x = 4,174,281,456.29
  5. Step 5: Solve for x
    x = 4,174,281,456.29/92,435.80
  6. Step 6: Final answer
    x = 45,158.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.