Home / 65,534.64-90,403.32-44,321.04

Finding the Fourth Proportional to 65,534.64, 90,403.32 and 44,321.04

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Solution

The fourth proportional to 65,534.64, 90,403.32 and 44,321.04 is: 61,139.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,534.64 : 90,403.32 = 44,321.04 : x
  2. Step 2: Convert to fraction form
    65,534.64/90,403.32 = 44,321.04/x
  3. Step 3: Cross multiply
    65,534.64x = 90,403.32 × 44,321.04
  4. Step 4: Simplify right side
    65,534.64x = 4,006,769,161.85
  5. Step 5: Solve for x
    x = 4,006,769,161.85/65,534.64
  6. Step 6: Final answer
    x = 61,139.71

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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.