Home / 71,363.40-98,481.44-39,534.36

Finding the Fourth Proportional to 71,363.40, 98,481.44 and 39,534.36

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Solution

The fourth proportional to 71,363.40, 98,481.44 and 39,534.36 is: 54,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.40 : 98,481.44 = 39,534.36 : x
  2. Step 2: Convert to fraction form
    71,363.40/98,481.44 = 39,534.36/x
  3. Step 3: Cross multiply
    71,363.40x = 98,481.44 × 39,534.36
  4. Step 4: Simplify right side
    71,363.40x = 3,893,400,702.28
  5. Step 5: Solve for x
    x = 3,893,400,702.28/71,363.40
  6. Step 6: Final answer
    x = 54,557.39

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1.5x scale

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.