Home / 71,561.12-98,720.04-50,352.08

Finding the Fourth Proportional to 71,561.12, 98,720.04 and 50,352.08

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Solution

The fourth proportional to 71,561.12, 98,720.04 and 50,352.08 is: 69,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,561.12 : 98,720.04 = 50,352.08 : x
  2. Step 2: Convert to fraction form
    71,561.12/98,720.04 = 50,352.08/x
  3. Step 3: Cross multiply
    71,561.12x = 98,720.04 × 50,352.08
  4. Step 4: Simplify right side
    71,561.12x = 4,970,759,351.68
  5. Step 5: Solve for x
    x = 4,970,759,351.68/71,561.12
  6. Step 6: Final answer
    x = 69,461.73

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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.