Home / 55,101.20-82,824.60-54,064.40

Finding the Fourth Proportional to 55,101.20, 82,824.60 and 54,064.40

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Solution

The fourth proportional to 55,101.20, 82,824.60 and 54,064.40 is: 81,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,101.20 : 82,824.60 = 54,064.40 : x
  2. Step 2: Convert to fraction form
    55,101.20/82,824.60 = 54,064.40/x
  3. Step 3: Cross multiply
    55,101.20x = 82,824.60 × 54,064.40
  4. Step 4: Simplify right side
    55,101.20x = 4,477,862,304.24
  5. Step 5: Solve for x
    x = 4,477,862,304.24/55,101.20
  6. Step 6: Final answer
    x = 81,266.15

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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.