Home / 54,522.60-81,783.90-47,610.60

Finding the Fourth Proportional to 54,522.60, 81,783.90 and 47,610.60

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Solution

The fourth proportional to 54,522.60, 81,783.90 and 47,610.60 is: 71,415.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,522.60 : 81,783.90 = 47,610.60 : x
  2. Step 2: Convert to fraction form
    54,522.60/81,783.90 = 47,610.60/x
  3. Step 3: Cross multiply
    54,522.60x = 81,783.90 × 47,610.60
  4. Step 4: Simplify right side
    54,522.60x = 3,893,780,549.34
  5. Step 5: Solve for x
    x = 3,893,780,549.34/54,522.60
  6. Step 6: Final answer
    x = 71,415.90

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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.