Home / 92,011.48-138,017.05-28,836.44

Finding the Fourth Proportional to 92,011.48, 138,017.05 and 28,836.44

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Solution

The fourth proportional to 92,011.48, 138,017.05 and 28,836.44 is: 43,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,011.48 : 138,017.05 = 28,836.44 : x
  2. Step 2: Convert to fraction form
    92,011.48/138,017.05 = 28,836.44/x
  3. Step 3: Cross multiply
    92,011.48x = 138,017.05 × 28,836.44
  4. Step 4: Simplify right side
    92,011.48x = 3,979,920,136.69
  5. Step 5: Solve for x
    x = 3,979,920,136.69/92,011.48
  6. Step 6: Final answer
    x = 43,254.61

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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.