Home / 65,817.84-98,729.46-54,802.20

Finding the Fourth Proportional to 65,817.84, 98,729.46 and 54,802.20

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Solution

The fourth proportional to 65,817.84, 98,729.46 and 54,802.20 is: 82,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,817.84 : 98,729.46 = 54,802.20 : x
  2. Step 2: Convert to fraction form
    65,817.84/98,729.46 = 54,802.20/x
  3. Step 3: Cross multiply
    65,817.84x = 98,729.46 × 54,802.20
  4. Step 4: Simplify right side
    65,817.84x = 5,410,591,612.81
  5. Step 5: Solve for x
    x = 5,410,591,612.81/65,817.84
  6. Step 6: Final answer
    x = 82,205.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.