Home / 54,103.60-81,155.40-44,887.60

Finding the Fourth Proportional to 54,103.60, 81,155.40 and 44,887.60

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Solution

The fourth proportional to 54,103.60, 81,155.40 and 44,887.60 is: 67,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.60 : 81,155.40 = 44,887.60 : x
  2. Step 2: Convert to fraction form
    54,103.60/81,155.40 = 44,887.60/x
  3. Step 3: Cross multiply
    54,103.60x = 81,155.40 × 44,887.60
  4. Step 4: Simplify right side
    54,103.60x = 3,642,871,133.04
  5. Step 5: Solve for x
    x = 3,642,871,133.04/54,103.60
  6. Step 6: Final answer
    x = 67,331.40

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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.