Home / 91,141.80-125,775.45-50,855.13

Finding the Fourth Proportional to 91,141.80, 125,775.45 and 50,855.13

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Solution

The fourth proportional to 91,141.80, 125,775.45 and 50,855.13 is: 70,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,141.80 : 125,775.45 = 50,855.13 : x
  2. Step 2: Convert to fraction form
    91,141.80/125,775.45 = 50,855.13/x
  3. Step 3: Cross multiply
    91,141.80x = 125,775.45 × 50,855.13
  4. Step 4: Simplify right side
    91,141.80x = 6,396,326,860.56
  5. Step 5: Solve for x
    x = 6,396,326,860.56/91,141.80
  6. Step 6: Final answer
    x = 70,179.95

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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.