Home / 72,415.24-108,532.14-39,133.96

Finding the Fourth Proportional to 72,415.24, 108,532.14 and 39,133.96

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Solution

The fourth proportional to 72,415.24, 108,532.14 and 39,133.96 is: 58,651.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,415.24 : 108,532.14 = 39,133.96 : x
  2. Step 2: Convert to fraction form
    72,415.24/108,532.14 = 39,133.96/x
  3. Step 3: Cross multiply
    72,415.24x = 108,532.14 × 39,133.96
  4. Step 4: Simplify right side
    72,415.24x = 4,247,292,425.47
  5. Step 5: Solve for x
    x = 4,247,292,425.47/72,415.24
  6. Step 6: Final answer
    x = 58,651.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.