Home / 90,666.73-125,118.43-50,379.76

Finding the Fourth Proportional to 90,666.73, 125,118.43 and 50,379.76

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Solution

The fourth proportional to 90,666.73, 125,118.43 and 50,379.76 is: 69,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666.73 : 125,118.43 = 50,379.76 : x
  2. Step 2: Convert to fraction form
    90,666.73/125,118.43 = 50,379.76/x
  3. Step 3: Cross multiply
    90,666.73x = 125,118.43 × 50,379.76
  4. Step 4: Simplify right side
    90,666.73x = 6,303,436,474.98
  5. Step 5: Solve for x
    x = 6,303,436,474.98/90,666.73
  6. Step 6: Final answer
    x = 69,523.15

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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.