Home / 82,570.44-113,994.42-54,358.14

Finding the Fourth Proportional to 82,570.44, 113,994.42 and 54,358.14

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Solution

The fourth proportional to 82,570.44, 113,994.42 and 54,358.14 is: 75,045.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,570.44 : 113,994.42 = 54,358.14 : x
  2. Step 2: Convert to fraction form
    82,570.44/113,994.42 = 54,358.14/x
  3. Step 3: Cross multiply
    82,570.44x = 113,994.42 × 54,358.14
  4. Step 4: Simplify right side
    82,570.44x = 6,196,524,641.58
  5. Step 5: Solve for x
    x = 6,196,524,641.58/82,570.44
  6. Step 6: Final answer
    x = 75,045.31

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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.