Home / 71,090.93-98,104.69-39,259.19

Finding the Fourth Proportional to 71,090.93, 98,104.69 and 39,259.19

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Solution

The fourth proportional to 71,090.93, 98,104.69 and 39,259.19 is: 54,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,090.93 : 98,104.69 = 39,259.19 : x
  2. Step 2: Convert to fraction form
    71,090.93/98,104.69 = 39,259.19/x
  3. Step 3: Cross multiply
    71,090.93x = 98,104.69 × 39,259.19
  4. Step 4: Simplify right side
    71,090.93x = 3,851,510,664.60
  5. Step 5: Solve for x
    x = 3,851,510,664.60/71,090.93
  6. Step 6: Final answer
    x = 54,177.24

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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.