Home / 91,796.40-126,685.60-51,514.08

Finding the Fourth Proportional to 91,796.40, 126,685.60 and 51,514.08

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Solution

The fourth proportional to 91,796.40, 126,685.60 and 51,514.08 is: 71,093.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796.40 : 126,685.60 = 51,514.08 : x
  2. Step 2: Convert to fraction form
    91,796.40/126,685.60 = 51,514.08/x
  3. Step 3: Cross multiply
    91,796.40x = 126,685.60 × 51,514.08
  4. Step 4: Simplify right side
    91,796.40x = 6,526,092,133.25
  5. Step 5: Solve for x
    x = 6,526,092,133.25/91,796.40
  6. Step 6: Final answer
    x = 71,093.12

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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.