Home / 91,917.39-126,849.06-51,638.94

Finding the Fourth Proportional to 91,917.39, 126,849.06 and 51,638.94

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Solution

The fourth proportional to 91,917.39, 126,849.06 and 51,638.94 is: 71,263.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,917.39 : 126,849.06 = 51,638.94 : x
  2. Step 2: Convert to fraction form
    91,917.39/126,849.06 = 51,638.94/x
  3. Step 3: Cross multiply
    91,917.39x = 126,849.06 × 51,638.94
  4. Step 4: Simplify right side
    91,917.39x = 6,550,350,998.40
  5. Step 5: Solve for x
    x = 6,550,350,998.40/91,917.39
  6. Step 6: Final answer
    x = 71,263.46

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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.