Home / 90,574.07-124,996.12-50,287.83

Finding the Fourth Proportional to 90,574.07, 124,996.12 and 50,287.83

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Solution

The fourth proportional to 90,574.07, 124,996.12 and 50,287.83 is: 69,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,574.07 : 124,996.12 = 50,287.83 : x
  2. Step 2: Convert to fraction form
    90,574.07/124,996.12 = 50,287.83/x
  3. Step 3: Cross multiply
    90,574.07x = 124,996.12 × 50,287.83
  4. Step 4: Simplify right side
    90,574.07x = 6,285,783,633.22
  5. Step 5: Solve for x
    x = 6,285,783,633.22/90,574.07
  6. Step 6: Final answer
    x = 69,399.37

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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.