Home / 91,748.52-126,602.82-51,453.98

Finding the Fourth Proportional to 91,748.52, 126,602.82 and 51,453.98

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Solution

The fourth proportional to 91,748.52, 126,602.82 and 51,453.98 is: 71,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,748.52 : 126,602.82 = 51,453.98 : x
  2. Step 2: Convert to fraction form
    91,748.52/126,602.82 = 51,453.98/x
  3. Step 3: Cross multiply
    91,748.52x = 126,602.82 × 51,453.98
  4. Step 4: Simplify right side
    91,748.52x = 6,514,218,968.22
  5. Step 5: Solve for x
    x = 6,514,218,968.22/91,748.52
  6. Step 6: Final answer
    x = 71,000.81

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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.