Home / 82,018.90-113,162.48-53,380.70

Finding the Fourth Proportional to 82,018.90, 113,162.48 and 53,380.70

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Solution

The fourth proportional to 82,018.90, 113,162.48 and 53,380.70 is: 73,650.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,018.90 : 113,162.48 = 53,380.70 : x
  2. Step 2: Convert to fraction form
    82,018.90/113,162.48 = 53,380.70/x
  3. Step 3: Cross multiply
    82,018.90x = 113,162.48 × 53,380.70
  4. Step 4: Simplify right side
    82,018.90x = 6,040,692,396.14
  5. Step 5: Solve for x
    x = 6,040,692,396.14/82,018.90
  6. Step 6: Final answer
    x = 73,650.01

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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.