Home / 107,072.40-147,761.10-59,326.68

Finding the Fourth Proportional to 107,072.40, 147,761.10 and 59,326.68

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Solution

The fourth proportional to 107,072.40, 147,761.10 and 59,326.68 is: 81,871.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,072.40 : 147,761.10 = 59,326.68 : x
  2. Step 2: Convert to fraction form
    107,072.40/147,761.10 = 59,326.68/x
  3. Step 3: Cross multiply
    107,072.40x = 147,761.10 × 59,326.68
  4. Step 4: Simplify right side
    107,072.40x = 8,766,175,496.15
  5. Step 5: Solve for x
    x = 8,766,175,496.15/107,072.40
  6. Step 6: Final answer
    x = 81,871.48

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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.