Home / 54,079.36-75,011.32-52,640.80

Finding the Fourth Proportional to 54,079.36, 75,011.32 and 52,640.80

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Solution

The fourth proportional to 54,079.36, 75,011.32 and 52,640.80 is: 73,015.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,079.36 : 75,011.32 = 52,640.80 : x
  2. Step 2: Convert to fraction form
    54,079.36/75,011.32 = 52,640.80/x
  3. Step 3: Cross multiply
    54,079.36x = 75,011.32 × 52,640.80
  4. Step 4: Simplify right side
    54,079.36x = 3,948,655,893.86
  5. Step 5: Solve for x
    x = 3,948,655,893.86/54,079.36
  6. Step 6: Final answer
    x = 73,015.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.