Home / 91,904.86-126,819.75-51,609.46

Finding the Fourth Proportional to 91,904.86, 126,819.75 and 51,609.46

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Solution

The fourth proportional to 91,904.86, 126,819.75 and 51,609.46 is: 71,216.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,904.86 : 126,819.75 = 51,609.46 : x
  2. Step 2: Convert to fraction form
    91,904.86/126,819.75 = 51,609.46/x
  3. Step 3: Cross multiply
    91,904.86x = 126,819.75 × 51,609.46
  4. Step 4: Simplify right side
    91,904.86x = 6,545,098,814.84
  5. Step 5: Solve for x
    x = 6,545,098,814.84/91,904.86
  6. Step 6: Final answer
    x = 71,216.03

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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.