Home / 57,909.64-79,965.18-36,435.19

Finding the Fourth Proportional to 57,909.64, 79,965.18 and 36,435.19

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Solution

The fourth proportional to 57,909.64, 79,965.18 and 36,435.19 is: 50,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,909.64 : 79,965.18 = 36,435.19 : x
  2. Step 2: Convert to fraction form
    57,909.64/79,965.18 = 36,435.19/x
  3. Step 3: Cross multiply
    57,909.64x = 79,965.18 × 36,435.19
  4. Step 4: Simplify right side
    57,909.64x = 2,913,546,526.68
  5. Step 5: Solve for x
    x = 2,913,546,526.68/57,909.64
  6. Step 6: Final answer
    x = 50,311.94

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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.