Home / 90,760.26-125,238.87-52,513.86

Finding the Fourth Proportional to 90,760.26, 125,238.87 and 52,513.86

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Solution

The fourth proportional to 90,760.26, 125,238.87 and 52,513.86 is: 72,463.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.26 : 125,238.87 = 52,513.86 : x
  2. Step 2: Convert to fraction form
    90,760.26/125,238.87 = 52,513.86/x
  3. Step 3: Cross multiply
    90,760.26x = 125,238.87 × 52,513.86
  4. Step 4: Simplify right side
    90,760.26x = 6,576,776,485.74
  5. Step 5: Solve for x
    x = 6,576,776,485.74/90,760.26
  6. Step 6: Final answer
    x = 72,463.17

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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.