Home / 57,960.36-79,985.88-32,805

Finding the Fourth Proportional to 57,960.36, 79,985.88 and 32,805

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Solution

The fourth proportional to 57,960.36, 79,985.88 and 32,805 is: 45,271.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960.36 : 79,985.88 = 32,805 : x
  2. Step 2: Convert to fraction form
    57,960.36/79,985.88 = 32,805/x
  3. Step 3: Cross multiply
    57,960.36x = 79,985.88 × 32,805
  4. Step 4: Simplify right side
    57,960.36x = 2,623,936,793.40
  5. Step 5: Solve for x
    x = 2,623,936,793.40/57,960.36
  6. Step 6: Final answer
    x = 45,271.23

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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.