Home / 90,666.74-125,119.99-50,384.43

Finding the Fourth Proportional to 90,666.74, 125,119.99 and 50,384.43

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Solution

The fourth proportional to 90,666.74, 125,119.99 and 50,384.43 is: 69,530.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,666.74 : 125,119.99 = 50,384.43 : x
  2. Step 2: Convert to fraction form
    90,666.74/125,119.99 = 50,384.43/x
  3. Step 3: Cross multiply
    90,666.74x = 125,119.99 × 50,384.43
  4. Step 4: Simplify right side
    90,666.74x = 6,304,099,440.74
  5. Step 5: Solve for x
    x = 6,304,099,440.74/90,666.74
  6. Step 6: Final answer
    x = 69,530.45

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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.