Home / 91,219.95-125,882.37-50,934.42

Finding the Fourth Proportional to 91,219.95, 125,882.37 and 50,934.42

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Solution

The fourth proportional to 91,219.95, 125,882.37 and 50,934.42 is: 70,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,219.95 : 125,882.37 = 50,934.42 : x
  2. Step 2: Convert to fraction form
    91,219.95/125,882.37 = 50,934.42/x
  3. Step 3: Cross multiply
    91,219.95x = 125,882.37 × 50,934.42
  4. Step 4: Simplify right side
    91,219.95x = 6,411,745,504.18
  5. Step 5: Solve for x
    x = 6,411,745,504.18/91,219.95
  6. Step 6: Final answer
    x = 70,288.85

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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.