Home / 43,572.36-65,329.86-28,736.04

Finding the Fourth Proportional to 43,572.36, 65,329.86 and 28,736.04

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Solution

The fourth proportional to 43,572.36, 65,329.86 and 28,736.04 is: 43,085.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,572.36 : 65,329.86 = 28,736.04 : x
  2. Step 2: Convert to fraction form
    43,572.36/65,329.86 = 28,736.04/x
  3. Step 3: Cross multiply
    43,572.36x = 65,329.86 × 28,736.04
  4. Step 4: Simplify right side
    43,572.36x = 1,877,321,470.15
  5. Step 5: Solve for x
    x = 1,877,321,470.15/43,572.36
  6. Step 6: Final answer
    x = 43,085.15

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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.