Home / 71,725.02-98,982.42-39,460.48

Finding the Fourth Proportional to 71,725.02, 98,982.42 and 39,460.48

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Solution

The fourth proportional to 71,725.02, 98,982.42 and 39,460.48 is: 54,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,725.02 : 98,982.42 = 39,460.48 : x
  2. Step 2: Convert to fraction form
    71,725.02/98,982.42 = 39,460.48/x
  3. Step 3: Cross multiply
    71,725.02x = 98,982.42 × 39,460.48
  4. Step 4: Simplify right side
    71,725.02x = 3,905,893,804.76
  5. Step 5: Solve for x
    x = 3,905,893,804.76/71,725.02
  6. Step 6: Final answer
    x = 54,456.50

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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.