Home / 54,341.12-81,372.48-32,170.40

Finding the Fourth Proportional to 54,341.12, 81,372.48 and 32,170.40

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Solution

The fourth proportional to 54,341.12, 81,372.48 and 32,170.40 is: 48,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,341.12 : 81,372.48 = 32,170.40 : x
  2. Step 2: Convert to fraction form
    54,341.12/81,372.48 = 32,170.40/x
  3. Step 3: Cross multiply
    54,341.12x = 81,372.48 × 32,170.40
  4. Step 4: Simplify right side
    54,341.12x = 2,617,785,230.59
  5. Step 5: Solve for x
    x = 2,617,785,230.59/54,341.12
  6. Step 6: Final answer
    x = 48,173.19

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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.