Home / 71,509.22-98,685.36-43,209.44

Finding the Fourth Proportional to 71,509.22, 98,685.36 and 43,209.44

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Solution

The fourth proportional to 71,509.22, 98,685.36 and 43,209.44 is: 59,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,509.22 : 98,685.36 = 43,209.44 : x
  2. Step 2: Convert to fraction form
    71,509.22/98,685.36 = 43,209.44/x
  3. Step 3: Cross multiply
    71,509.22x = 98,685.36 × 43,209.44
  4. Step 4: Simplify right side
    71,509.22x = 4,264,139,141.80
  5. Step 5: Solve for x
    x = 4,264,139,141.80/71,509.22
  6. Step 6: Final answer
    x = 59,630.62

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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.