Home / 54,300.08-81,380.52-47,250.80

Finding the Fourth Proportional to 54,300.08, 81,380.52 and 47,250.80

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Solution

The fourth proportional to 54,300.08, 81,380.52 and 47,250.80 is: 70,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.08 : 81,380.52 = 47,250.80 : x
  2. Step 2: Convert to fraction form
    54,300.08/81,380.52 = 47,250.80/x
  3. Step 3: Cross multiply
    54,300.08x = 81,380.52 × 47,250.80
  4. Step 4: Simplify right side
    54,300.08x = 3,845,294,674.42
  5. Step 5: Solve for x
    x = 3,845,294,674.42/54,300.08
  6. Step 6: Final answer
    x = 70,815.64

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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.