Home / 107,053.12-147,733.20-59,309.44

Finding the Fourth Proportional to 107,053.12, 147,733.20 and 59,309.44

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Solution

The fourth proportional to 107,053.12, 147,733.20 and 59,309.44 is: 81,846.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,053.12 : 147,733.20 = 59,309.44 : x
  2. Step 2: Convert to fraction form
    107,053.12/147,733.20 = 59,309.44/x
  3. Step 3: Cross multiply
    107,053.12x = 147,733.20 × 59,309.44
  4. Step 4: Simplify right side
    107,053.12x = 8,761,973,361.41
  5. Step 5: Solve for x
    x = 8,761,973,361.41/107,053.12
  6. Step 6: Final answer
    x = 81,846.97

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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.