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Finding the Fourth Proportional to 58,765.44, 81,101.76 and 43,676.72

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Solution

The fourth proportional to 58,765.44, 81,101.76 and 43,676.72 is: 60,277.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,765.44 : 81,101.76 = 43,676.72 : x
  2. Step 2: Convert to fraction form
    58,765.44/81,101.76 = 43,676.72/x
  3. Step 3: Cross multiply
    58,765.44x = 81,101.76 × 43,676.72
  4. Step 4: Simplify right side
    58,765.44x = 3,542,258,863.03
  5. Step 5: Solve for x
    x = 3,542,258,863.03/58,765.44
  6. Step 6: Final answer
    x = 60,277.93

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1.5x scale

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.