Home / 54,515.60-81,773.40-47,603.60

Finding the Fourth Proportional to 54,515.60, 81,773.40 and 47,603.60

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Solution

The fourth proportional to 54,515.60, 81,773.40 and 47,603.60 is: 71,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,515.60 : 81,773.40 = 47,603.60 : x
  2. Step 2: Convert to fraction form
    54,515.60/81,773.40 = 47,603.60/x
  3. Step 3: Cross multiply
    54,515.60x = 81,773.40 × 47,603.60
  4. Step 4: Simplify right side
    54,515.60x = 3,892,708,224.24
  5. Step 5: Solve for x
    x = 3,892,708,224.24/54,515.60
  6. Step 6: Final answer
    x = 71,405.40

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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.