Home / 90,673.08-125,123.09-50,384.49

Finding the Fourth Proportional to 90,673.08, 125,123.09 and 50,384.49

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Solution

The fourth proportional to 90,673.08, 125,123.09 and 50,384.49 is: 69,527.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,673.08 : 125,123.09 = 50,384.49 : x
  2. Step 2: Convert to fraction form
    90,673.08/125,123.09 = 50,384.49/x
  3. Step 3: Cross multiply
    90,673.08x = 125,123.09 × 50,384.49
  4. Step 4: Simplify right side
    90,673.08x = 6,304,262,824.95
  5. Step 5: Solve for x
    x = 6,304,262,824.95/90,673.08
  6. Step 6: Final answer
    x = 69,527.39

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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.