Home / 90,206.49-124,485.20-49,923.03

Finding the Fourth Proportional to 90,206.49, 124,485.20 and 49,923.03

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Solution

The fourth proportional to 90,206.49, 124,485.20 and 49,923.03 is: 68,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,206.49 : 124,485.20 = 49,923.03 : x
  2. Step 2: Convert to fraction form
    90,206.49/124,485.20 = 49,923.03/x
  3. Step 3: Cross multiply
    90,206.49x = 124,485.20 × 49,923.03
  4. Step 4: Simplify right side
    90,206.49x = 6,214,678,124.54
  5. Step 5: Solve for x
    x = 6,214,678,124.54/90,206.49
  6. Step 6: Final answer
    x = 68,893.91

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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.