Home / 43,301.52-64,952.28-12,137.04

Finding the Fourth Proportional to 43,301.52, 64,952.28 and 12,137.04

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Solution

The fourth proportional to 43,301.52, 64,952.28 and 12,137.04 is: 18,205.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,301.52 : 64,952.28 = 12,137.04 : x
  2. Step 2: Convert to fraction form
    43,301.52/64,952.28 = 12,137.04/x
  3. Step 3: Cross multiply
    43,301.52x = 64,952.28 × 12,137.04
  4. Step 4: Simplify right side
    43,301.52x = 788,328,420.45
  5. Step 5: Solve for x
    x = 788,328,420.45/43,301.52
  6. Step 6: Final answer
    x = 18,205.56

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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.