Home / 54,164.30-81,246.45-45,610.70

Finding the Fourth Proportional to 54,164.30, 81,246.45 and 45,610.70

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Solution

The fourth proportional to 54,164.30, 81,246.45 and 45,610.70 is: 68,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,164.30 : 81,246.45 = 45,610.70 : x
  2. Step 2: Convert to fraction form
    54,164.30/81,246.45 = 45,610.70/x
  3. Step 3: Cross multiply
    54,164.30x = 81,246.45 × 45,610.70
  4. Step 4: Simplify right side
    54,164.30x = 3,705,707,457.02
  5. Step 5: Solve for x
    x = 3,705,707,457.02/54,164.30
  6. Step 6: Final answer
    x = 68,416.05

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1.5x scale

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.