Home / 57,869.04-79,860.96-32,718

Finding the Fourth Proportional to 57,869.04, 79,860.96 and 32,718

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Solution

The fourth proportional to 57,869.04, 79,860.96 and 32,718 is: 45,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,869.04 : 79,860.96 = 32,718 : x
  2. Step 2: Convert to fraction form
    57,869.04/79,860.96 = 32,718/x
  3. Step 3: Cross multiply
    57,869.04x = 79,860.96 × 32,718
  4. Step 4: Simplify right side
    57,869.04x = 2,612,890,889.28
  5. Step 5: Solve for x
    x = 2,612,890,889.28/57,869.04
  6. Step 6: Final answer
    x = 45,151.79

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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.