Home / 90,243.38-124,536.99-49,960.88

Finding the Fourth Proportional to 90,243.38, 124,536.99 and 49,960.88

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Solution

The fourth proportional to 90,243.38, 124,536.99 and 49,960.88 is: 68,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,243.38 : 124,536.99 = 49,960.88 : x
  2. Step 2: Convert to fraction form
    90,243.38/124,536.99 = 49,960.88/x
  3. Step 3: Cross multiply
    90,243.38x = 124,536.99 × 49,960.88
  4. Step 4: Simplify right side
    90,243.38x = 6,221,977,612.95
  5. Step 5: Solve for x
    x = 6,221,977,612.95/90,243.38
  6. Step 6: Final answer
    x = 68,946.64

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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.