Home / 72,323.04-108,500.91-39,042.39

Finding the Fourth Proportional to 72,323.04, 108,500.91 and 39,042.39

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Solution

The fourth proportional to 72,323.04, 108,500.91 and 39,042.39 is: 58,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,323.04 : 108,500.91 = 39,042.39 : x
  2. Step 2: Convert to fraction form
    72,323.04/108,500.91 = 39,042.39/x
  3. Step 3: Cross multiply
    72,323.04x = 108,500.91 × 39,042.39
  4. Step 4: Simplify right side
    72,323.04x = 4,236,134,843.57
  5. Step 5: Solve for x
    x = 4,236,134,843.57/72,323.04
  6. Step 6: Final answer
    x = 58,572.41

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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.