Home / 42,932.89-64,392.04-11,343.30

Finding the Fourth Proportional to 42,932.89, 64,392.04 and 11,343.30

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Solution

The fourth proportional to 42,932.89, 64,392.04 and 11,343.30 is: 17,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,932.89 : 64,392.04 = 11,343.30 : x
  2. Step 2: Convert to fraction form
    42,932.89/64,392.04 = 11,343.30/x
  3. Step 3: Cross multiply
    42,932.89x = 64,392.04 × 11,343.30
  4. Step 4: Simplify right side
    42,932.89x = 730,418,227.33
  5. Step 5: Solve for x
    x = 730,418,227.33/42,932.89
  6. Step 6: Final answer
    x = 17,013.02

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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.