Home / 54,835.14-75,671.91-30,960.39

Finding the Fourth Proportional to 54,835.14, 75,671.91 and 30,960.39

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Solution

The fourth proportional to 54,835.14, 75,671.91 and 30,960.39 is: 42,725.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,835.14 : 75,671.91 = 30,960.39 : x
  2. Step 2: Convert to fraction form
    54,835.14/75,671.91 = 30,960.39/x
  3. Step 3: Cross multiply
    54,835.14x = 75,671.91 × 30,960.39
  4. Step 4: Simplify right side
    54,835.14x = 2,342,831,845.64
  5. Step 5: Solve for x
    x = 2,342,831,845.64/54,835.14
  6. Step 6: Final answer
    x = 42,725.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.