Home / 88,679.16-122,392.46-84,693.24

Finding the Fourth Proportional to 88,679.16, 122,392.46 and 84,693.24

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Solution

The fourth proportional to 88,679.16, 122,392.46 and 84,693.24 is: 116,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.16 : 122,392.46 = 84,693.24 : x
  2. Step 2: Convert to fraction form
    88,679.16/122,392.46 = 84,693.24/x
  3. Step 3: Cross multiply
    88,679.16x = 122,392.46 × 84,693.24
  4. Step 4: Simplify right side
    88,679.16x = 10,365,813,988.97
  5. Step 5: Solve for x
    x = 10,365,813,988.97/88,679.16
  6. Step 6: Final answer
    x = 116,891.21

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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.