Home / 94,761.36-130,734-54,468.72

Finding the Fourth Proportional to 94,761.36, 130,734 and 54,468.72

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Solution

The fourth proportional to 94,761.36, 130,734 and 54,468.72 is: 75,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,761.36 : 130,734 = 54,468.72 : x
  2. Step 2: Convert to fraction form
    94,761.36/130,734 = 54,468.72/x
  3. Step 3: Cross multiply
    94,761.36x = 130,734 × 54,468.72
  4. Step 4: Simplify right side
    94,761.36x = 7,120,913,640.48
  5. Step 5: Solve for x
    x = 7,120,913,640.48/94,761.36
  6. Step 6: Final answer
    x = 75,145.75

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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.