Home / 91,796.32-126,668.64-51,501.70

Finding the Fourth Proportional to 91,796.32, 126,668.64 and 51,501.70

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Solution

The fourth proportional to 91,796.32, 126,668.64 and 51,501.70 is: 71,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,796.32 : 126,668.64 = 51,501.70 : x
  2. Step 2: Convert to fraction form
    91,796.32/126,668.64 = 51,501.70/x
  3. Step 3: Cross multiply
    91,796.32x = 126,668.64 × 51,501.70
  4. Step 4: Simplify right side
    91,796.32x = 6,523,650,296.69
  5. Step 5: Solve for x
    x = 6,523,650,296.69/91,796.32
  6. Step 6: Final answer
    x = 71,066.58

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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.