Home / 91,926.70-126,849.04-51,644.86

Finding the Fourth Proportional to 91,926.70, 126,849.04 and 51,644.86

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Solution

The fourth proportional to 91,926.70, 126,849.04 and 51,644.86 is: 71,264.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,926.70 : 126,849.04 = 51,644.86 : x
  2. Step 2: Convert to fraction form
    91,926.70/126,849.04 = 51,644.86/x
  3. Step 3: Cross multiply
    91,926.70x = 126,849.04 × 51,644.86
  4. Step 4: Simplify right side
    91,926.70x = 6,551,100,911.93
  5. Step 5: Solve for x
    x = 6,551,100,911.93/91,926.70
  6. Step 6: Final answer
    x = 71,264.40

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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.