Home / 71,708.85-107,563.15-34,155.02

Finding the Fourth Proportional to 71,708.85, 107,563.15 and 34,155.02

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Solution

The fourth proportional to 71,708.85, 107,563.15 and 34,155.02 is: 51,232.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,708.85 : 107,563.15 = 34,155.02 : x
  2. Step 2: Convert to fraction form
    71,708.85/107,563.15 = 34,155.02/x
  3. Step 3: Cross multiply
    71,708.85x = 107,563.15 × 34,155.02
  4. Step 4: Simplify right side
    71,708.85x = 3,673,821,539.51
  5. Step 5: Solve for x
    x = 3,673,821,539.51/71,708.85
  6. Step 6: Final answer
    x = 51,232.47

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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.