Home / 88,257.85-121,796.58-47,971.60

Finding the Fourth Proportional to 88,257.85, 121,796.58 and 47,971.60

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Solution

The fourth proportional to 88,257.85, 121,796.58 and 47,971.60 is: 66,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.85 : 121,796.58 = 47,971.60 : x
  2. Step 2: Convert to fraction form
    88,257.85/121,796.58 = 47,971.60/x
  3. Step 3: Cross multiply
    88,257.85x = 121,796.58 × 47,971.60
  4. Step 4: Simplify right side
    88,257.85x = 5,842,776,817.13
  5. Step 5: Solve for x
    x = 5,842,776,817.13/88,257.85
  6. Step 6: Final answer
    x = 66,201.21

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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.