Home / 104,336.28-143,987.32-59,013.37

Finding the Fourth Proportional to 104,336.28, 143,987.32 and 59,013.37

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Solution

The fourth proportional to 104,336.28, 143,987.32 and 59,013.37 is: 81,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,336.28 : 143,987.32 = 59,013.37 : x
  2. Step 2: Convert to fraction form
    104,336.28/143,987.32 = 59,013.37/x
  3. Step 3: Cross multiply
    104,336.28x = 143,987.32 × 59,013.37
  4. Step 4: Simplify right side
    104,336.28x = 8,497,176,990.47
  5. Step 5: Solve for x
    x = 8,497,176,990.47/104,336.28
  6. Step 6: Final answer
    x = 81,440.29

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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.