Home / 84,915.59-117,174.21-49,100.18

Finding the Fourth Proportional to 84,915.59, 117,174.21 and 49,100.18

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Solution

The fourth proportional to 84,915.59, 117,174.21 and 49,100.18 is: 67,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.59 : 117,174.21 = 49,100.18 : x
  2. Step 2: Convert to fraction form
    84,915.59/117,174.21 = 49,100.18/x
  3. Step 3: Cross multiply
    84,915.59x = 117,174.21 × 49,100.18
  4. Step 4: Simplify right side
    84,915.59x = 5,753,274,802.36
  5. Step 5: Solve for x
    x = 5,753,274,802.36/84,915.59
  6. Step 6: Final answer
    x = 67,752.87

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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.