Home / 91,950.09-126,887.58-51,665.55

Finding the Fourth Proportional to 91,950.09, 126,887.58 and 51,665.55

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Solution

The fourth proportional to 91,950.09, 126,887.58 and 51,665.55 is: 71,296.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,950.09 : 126,887.58 = 51,665.55 : x
  2. Step 2: Convert to fraction form
    91,950.09/126,887.58 = 51,665.55/x
  3. Step 3: Cross multiply
    91,950.09x = 126,887.58 × 51,665.55
  4. Step 4: Simplify right side
    91,950.09x = 6,555,716,608.87
  5. Step 5: Solve for x
    x = 6,555,716,608.87/91,950.09
  6. Step 6: Final answer
    x = 71,296.47

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1.5x scale

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.