Home / 42,833.97-64,243.21-11,661.93

Finding the Fourth Proportional to 42,833.97, 64,243.21 and 11,661.93

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Solution

The fourth proportional to 42,833.97, 64,243.21 and 11,661.93 is: 17,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,833.97 : 64,243.21 = 11,661.93 : x
  2. Step 2: Convert to fraction form
    42,833.97/64,243.21 = 11,661.93/x
  3. Step 3: Cross multiply
    42,833.97x = 64,243.21 × 11,661.93
  4. Step 4: Simplify right side
    42,833.97x = 749,199,818.00
  5. Step 5: Solve for x
    x = 749,199,818.00/42,833.97
  6. Step 6: Final answer
    x = 17,490.79

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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.