Home / 80,826.36-121,268.70-41,402.04

Finding the Fourth Proportional to 80,826.36, 121,268.70 and 41,402.04

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Solution

The fourth proportional to 80,826.36, 121,268.70 and 41,402.04 is: 62,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,826.36 : 121,268.70 = 41,402.04 : x
  2. Step 2: Convert to fraction form
    80,826.36/121,268.70 = 41,402.04/x
  3. Step 3: Cross multiply
    80,826.36x = 121,268.70 × 41,402.04
  4. Step 4: Simplify right side
    80,826.36x = 5,020,771,568.15
  5. Step 5: Solve for x
    x = 5,020,771,568.15/80,826.36
  6. Step 6: Final answer
    x = 62,118.00

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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.