Home / 91,382.87-126,109.76-51,096.44

Finding the Fourth Proportional to 91,382.87, 126,109.76 and 51,096.44

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Solution

The fourth proportional to 91,382.87, 126,109.76 and 51,096.44 is: 70,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,382.87 : 126,109.76 = 51,096.44 : x
  2. Step 2: Convert to fraction form
    91,382.87/126,109.76 = 51,096.44/x
  3. Step 3: Cross multiply
    91,382.87x = 126,109.76 × 51,096.44
  4. Step 4: Simplify right side
    91,382.87x = 6,443,758,899.22
  5. Step 5: Solve for x
    x = 6,443,758,899.22/91,382.87
  6. Step 6: Final answer
    x = 70,513.86

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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.