Home / 53,933.76-80,802.09-39,105.90

Finding the Fourth Proportional to 53,933.76, 80,802.09 and 39,105.90

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Solution

The fourth proportional to 53,933.76, 80,802.09 and 39,105.90 is: 58,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,933.76 : 80,802.09 = 39,105.90 : x
  2. Step 2: Convert to fraction form
    53,933.76/80,802.09 = 39,105.90/x
  3. Step 3: Cross multiply
    53,933.76x = 80,802.09 × 39,105.90
  4. Step 4: Simplify right side
    53,933.76x = 3,159,838,451.33
  5. Step 5: Solve for x
    x = 3,159,838,451.33/53,933.76
  6. Step 6: Final answer
    x = 58,587.39

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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.