Home / 91,268-125,952.54-50,983.46

Finding the Fourth Proportional to 91,268, 125,952.54 and 50,983.46

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Solution

The fourth proportional to 91,268, 125,952.54 and 50,983.46 is: 70,358.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,268 : 125,952.54 = 50,983.46 : x
  2. Step 2: Convert to fraction form
    91,268/125,952.54 = 50,983.46/x
  3. Step 3: Cross multiply
    91,268x = 125,952.54 × 50,983.46
  4. Step 4: Simplify right side
    91,268x = 6,421,496,284.99
  5. Step 5: Solve for x
    x = 6,421,496,284.99/91,268
  6. Step 6: Final answer
    x = 70,358.68

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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.