Home / 83,155.56-124,676.40-29,846.35

Finding the Fourth Proportional to 83,155.56, 124,676.40 and 29,846.35

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Solution

The fourth proportional to 83,155.56, 124,676.40 and 29,846.35 is: 44,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,155.56 : 124,676.40 = 29,846.35 : x
  2. Step 2: Convert to fraction form
    83,155.56/124,676.40 = 29,846.35/x
  3. Step 3: Cross multiply
    83,155.56x = 124,676.40 × 29,846.35
  4. Step 4: Simplify right side
    83,155.56x = 3,721,135,471.14
  5. Step 5: Solve for x
    x = 3,721,135,471.14/83,155.56
  6. Step 6: Final answer
    x = 44,749.09

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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.