Home / 81,542.58-112,528.56-45,249.54

Finding the Fourth Proportional to 81,542.58, 112,528.56 and 45,249.54

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Solution

The fourth proportional to 81,542.58, 112,528.56 and 45,249.54 is: 62,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,542.58 : 112,528.56 = 45,249.54 : x
  2. Step 2: Convert to fraction form
    81,542.58/112,528.56 = 45,249.54/x
  3. Step 3: Cross multiply
    81,542.58x = 112,528.56 × 45,249.54
  4. Step 4: Simplify right side
    81,542.58x = 5,091,865,576.86
  5. Step 5: Solve for x
    x = 5,091,865,576.86/81,542.58
  6. Step 6: Final answer
    x = 62,444.25

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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.