Home / 42,933.24-64,399.80-11,770.92

Finding the Fourth Proportional to 42,933.24, 64,399.80 and 11,770.92

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Solution

The fourth proportional to 42,933.24, 64,399.80 and 11,770.92 is: 17,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,933.24 : 64,399.80 = 11,770.92 : x
  2. Step 2: Convert to fraction form
    42,933.24/64,399.80 = 11,770.92/x
  3. Step 3: Cross multiply
    42,933.24x = 64,399.80 × 11,770.92
  4. Step 4: Simplify right side
    42,933.24x = 758,044,893.82
  5. Step 5: Solve for x
    x = 758,044,893.82/42,933.24
  6. Step 6: Final answer
    x = 17,656.36

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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.