Home / 90,632.65-125,072.99-50,350.17

Finding the Fourth Proportional to 90,632.65, 125,072.99 and 50,350.17

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Solution

The fourth proportional to 90,632.65, 125,072.99 and 50,350.17 is: 69,483.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,632.65 : 125,072.99 = 50,350.17 : x
  2. Step 2: Convert to fraction form
    90,632.65/125,072.99 = 50,350.17/x
  3. Step 3: Cross multiply
    90,632.65x = 125,072.99 × 50,350.17
  4. Step 4: Simplify right side
    90,632.65x = 6,297,446,308.91
  5. Step 5: Solve for x
    x = 6,297,446,308.91/90,632.65
  6. Step 6: Final answer
    x = 69,483.20

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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.