Home / 54,469.20-81,703.80-23,307.60

Finding the Fourth Proportional to 54,469.20, 81,703.80 and 23,307.60

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Solution

The fourth proportional to 54,469.20, 81,703.80 and 23,307.60 is: 34,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,469.20 : 81,703.80 = 23,307.60 : x
  2. Step 2: Convert to fraction form
    54,469.20/81,703.80 = 23,307.60/x
  3. Step 3: Cross multiply
    54,469.20x = 81,703.80 × 23,307.60
  4. Step 4: Simplify right side
    54,469.20x = 1,904,319,488.88
  5. Step 5: Solve for x
    x = 1,904,319,488.88/54,469.20
  6. Step 6: Final answer
    x = 34,961.40

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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.