Home / 91,784.13-126,668.64-50,950.41

Finding the Fourth Proportional to 91,784.13, 126,668.64 and 50,950.41

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Solution

The fourth proportional to 91,784.13, 126,668.64 and 50,950.41 is: 70,315.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,784.13 : 126,668.64 = 50,950.41 : x
  2. Step 2: Convert to fraction form
    91,784.13/126,668.64 = 50,950.41/x
  3. Step 3: Cross multiply
    91,784.13x = 126,668.64 × 50,950.41
  4. Step 4: Simplify right side
    91,784.13x = 6,453,819,142.14
  5. Step 5: Solve for x
    x = 6,453,819,142.14/91,784.13
  6. Step 6: Final answer
    x = 70,315.20

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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.