Home / 71,028.73-98,017.09-39,196.95

Finding the Fourth Proportional to 71,028.73, 98,017.09 and 39,196.95

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Solution

The fourth proportional to 71,028.73, 98,017.09 and 39,196.95 is: 54,090.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,028.73 : 98,017.09 = 39,196.95 : x
  2. Step 2: Convert to fraction form
    71,028.73/98,017.09 = 39,196.95/x
  3. Step 3: Cross multiply
    71,028.73x = 98,017.09 × 39,196.95
  4. Step 4: Simplify right side
    71,028.73x = 3,841,970,510.32
  5. Step 5: Solve for x
    x = 3,841,970,510.32/71,028.73
  6. Step 6: Final answer
    x = 54,090.37

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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.