Home / 75,572.88-104,299.56-43,319.04

Finding the Fourth Proportional to 75,572.88, 104,299.56 and 43,319.04

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Solution

The fourth proportional to 75,572.88, 104,299.56 and 43,319.04 is: 59,785.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,572.88 : 104,299.56 = 43,319.04 : x
  2. Step 2: Convert to fraction form
    75,572.88/104,299.56 = 43,319.04/x
  3. Step 3: Cross multiply
    75,572.88x = 104,299.56 × 43,319.04
  4. Step 4: Simplify right side
    75,572.88x = 4,518,156,811.62
  5. Step 5: Solve for x
    x = 4,518,156,811.62/75,572.88
  6. Step 6: Final answer
    x = 59,785.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.