Home / 91,227.45-125,878.84-50,934.73

Finding the Fourth Proportional to 91,227.45, 125,878.84 and 50,934.73

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Solution

The fourth proportional to 91,227.45, 125,878.84 and 50,934.73 is: 70,281.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,227.45 : 125,878.84 = 50,934.73 : x
  2. Step 2: Convert to fraction form
    91,227.45/125,878.84 = 50,934.73/x
  3. Step 3: Cross multiply
    91,227.45x = 125,878.84 × 50,934.73
  4. Step 4: Simplify right side
    91,227.45x = 6,411,604,728.11
  5. Step 5: Solve for x
    x = 6,411,604,728.11/91,227.45
  6. Step 6: Final answer
    x = 70,281.53

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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.