Home / 71,367.87-98,483.40-39,534.47

Finding the Fourth Proportional to 71,367.87, 98,483.40 and 39,534.47

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Solution

The fourth proportional to 71,367.87, 98,483.40 and 39,534.47 is: 54,555.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,367.87 : 98,483.40 = 39,534.47 : x
  2. Step 2: Convert to fraction form
    71,367.87/98,483.40 = 39,534.47/x
  3. Step 3: Cross multiply
    71,367.87x = 98,483.40 × 39,534.47
  4. Step 4: Simplify right side
    71,367.87x = 3,893,489,022.80
  5. Step 5: Solve for x
    x = 3,893,489,022.80/71,367.87
  6. Step 6: Final answer
    x = 54,555.21

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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.