Home / 88,257.14-121,795.68-47,971

Finding the Fourth Proportional to 88,257.14, 121,795.68 and 47,971

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Solution

The fourth proportional to 88,257.14, 121,795.68 and 47,971 is: 66,200.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,257.14 : 121,795.68 = 47,971 : x
  2. Step 2: Convert to fraction form
    88,257.14/121,795.68 = 47,971/x
  3. Step 3: Cross multiply
    88,257.14x = 121,795.68 × 47,971
  4. Step 4: Simplify right side
    88,257.14x = 5,842,660,565.28
  5. Step 5: Solve for x
    x = 5,842,660,565.28/88,257.14
  6. Step 6: Final answer
    x = 66,200.43

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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.