Home / 90,674.84-125,123.32-50,386.05

Finding the Fourth Proportional to 90,674.84, 125,123.32 and 50,386.05

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Solution

The fourth proportional to 90,674.84, 125,123.32 and 50,386.05 is: 69,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,674.84 : 125,123.32 = 50,386.05 : x
  2. Step 2: Convert to fraction form
    90,674.84/125,123.32 = 50,386.05/x
  3. Step 3: Cross multiply
    90,674.84x = 125,123.32 × 50,386.05
  4. Step 4: Simplify right side
    90,674.84x = 6,304,469,857.69
  5. Step 5: Solve for x
    x = 6,304,469,857.69/90,674.84
  6. Step 6: Final answer
    x = 69,528.33

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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.