Home / 54,579.60-81,869.40-32,403.60

Finding the Fourth Proportional to 54,579.60, 81,869.40 and 32,403.60

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Solution

The fourth proportional to 54,579.60, 81,869.40 and 32,403.60 is: 48,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579.60 : 81,869.40 = 32,403.60 : x
  2. Step 2: Convert to fraction form
    54,579.60/81,869.40 = 32,403.60/x
  3. Step 3: Cross multiply
    54,579.60x = 81,869.40 × 32,403.60
  4. Step 4: Simplify right side
    54,579.60x = 2,652,863,289.84
  5. Step 5: Solve for x
    x = 2,652,863,289.84/54,579.60
  6. Step 6: Final answer
    x = 48,605.40

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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.