Home / 84,222.28-116,213.54-48,405.60

Finding the Fourth Proportional to 84,222.28, 116,213.54 and 48,405.60

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Solution

The fourth proportional to 84,222.28, 116,213.54 and 48,405.60 is: 66,792.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,222.28 : 116,213.54 = 48,405.60 : x
  2. Step 2: Convert to fraction form
    84,222.28/116,213.54 = 48,405.60/x
  3. Step 3: Cross multiply
    84,222.28x = 116,213.54 × 48,405.60
  4. Step 4: Simplify right side
    84,222.28x = 5,625,385,889.80
  5. Step 5: Solve for x
    x = 5,625,385,889.80/84,222.28
  6. Step 6: Final answer
    x = 66,792.13

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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.