Home / 92,052.74-138,080.82-28,871.46

Finding the Fourth Proportional to 92,052.74, 138,080.82 and 28,871.46

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Solution

The fourth proportional to 92,052.74, 138,080.82 and 28,871.46 is: 43,307.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,052.74 : 138,080.82 = 28,871.46 : x
  2. Step 2: Convert to fraction form
    92,052.74/138,080.82 = 28,871.46/x
  3. Step 3: Cross multiply
    92,052.74x = 138,080.82 × 28,871.46
  4. Step 4: Simplify right side
    92,052.74x = 3,986,594,871.40
  5. Step 5: Solve for x
    x = 3,986,594,871.40/92,052.74
  6. Step 6: Final answer
    x = 43,307.73

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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.