Home / 90,228.06-124,501.69-49,941.73

Finding the Fourth Proportional to 90,228.06, 124,501.69 and 49,941.73

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Solution

The fourth proportional to 90,228.06, 124,501.69 and 49,941.73 is: 68,912.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,228.06 : 124,501.69 = 49,941.73 : x
  2. Step 2: Convert to fraction form
    90,228.06/124,501.69 = 49,941.73/x
  3. Step 3: Cross multiply
    90,228.06x = 124,501.69 × 49,941.73
  4. Step 4: Simplify right side
    90,228.06x = 6,217,829,786.52
  5. Step 5: Solve for x
    x = 6,217,829,786.52/90,228.06
  6. Step 6: Final answer
    x = 68,912.37

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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.