Home / 79,289.58-118,881.32-41,810.07

Finding the Fourth Proportional to 79,289.58, 118,881.32 and 41,810.07

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Solution

The fourth proportional to 79,289.58, 118,881.32 and 41,810.07 is: 62,687.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,289.58 : 118,881.32 = 41,810.07 : x
  2. Step 2: Convert to fraction form
    79,289.58/118,881.32 = 41,810.07/x
  3. Step 3: Cross multiply
    79,289.58x = 118,881.32 × 41,810.07
  4. Step 4: Simplify right side
    79,289.58x = 4,970,436,782.83
  5. Step 5: Solve for x
    x = 4,970,436,782.83/79,289.58
  6. Step 6: Final answer
    x = 62,687.13

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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.