Home / 90,267.38-124,558.91-49,971.05

Finding the Fourth Proportional to 90,267.38, 124,558.91 and 49,971.05

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Solution

The fourth proportional to 90,267.38, 124,558.91 and 49,971.05 is: 68,954.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,267.38 : 124,558.91 = 49,971.05 : x
  2. Step 2: Convert to fraction form
    90,267.38/124,558.91 = 49,971.05/x
  3. Step 3: Cross multiply
    90,267.38x = 124,558.91 × 49,971.05
  4. Step 4: Simplify right side
    90,267.38x = 6,224,339,519.56
  5. Step 5: Solve for x
    x = 6,224,339,519.56/90,267.38
  6. Step 6: Final answer
    x = 68,954.47

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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.