Home / 91,227.20-125,878.50-50,934.48

Finding the Fourth Proportional to 91,227.20, 125,878.50 and 50,934.48

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Solution

The fourth proportional to 91,227.20, 125,878.50 and 50,934.48 is: 70,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227.20 : 125,878.50 = 50,934.48 : x
  2. Step 2: Convert to fraction form
    91,227.20/125,878.50 = 50,934.48/x
  3. Step 3: Cross multiply
    91,227.20x = 125,878.50 × 50,934.48
  4. Step 4: Simplify right side
    91,227.20x = 6,411,555,940.68
  5. Step 5: Solve for x
    x = 6,411,555,940.68/91,227.20
  6. Step 6: Final answer
    x = 70,281.19

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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.