Home / 91,855.05-126,750.18-51,573.24

Finding the Fourth Proportional to 91,855.05, 126,750.18 and 51,573.24

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Solution

The fourth proportional to 91,855.05, 126,750.18 and 51,573.24 is: 71,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,855.05 : 126,750.18 = 51,573.24 : x
  2. Step 2: Convert to fraction form
    91,855.05/126,750.18 = 51,573.24/x
  3. Step 3: Cross multiply
    91,855.05x = 126,750.18 × 51,573.24
  4. Step 4: Simplify right side
    91,855.05x = 6,536,917,453.18
  5. Step 5: Solve for x
    x = 6,536,917,453.18/91,855.05
  6. Step 6: Final answer
    x = 71,165.58

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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.