Home / 90,584.88-135,815.36-46,125.60

Finding the Fourth Proportional to 90,584.88, 135,815.36 and 46,125.60

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Solution

The fourth proportional to 90,584.88, 135,815.36 and 46,125.60 is: 69,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.88 : 135,815.36 = 46,125.60 : x
  2. Step 2: Convert to fraction form
    90,584.88/135,815.36 = 46,125.60/x
  3. Step 3: Cross multiply
    90,584.88x = 135,815.36 × 46,125.60
  4. Step 4: Simplify right side
    90,584.88x = 6,264,564,738.59
  5. Step 5: Solve for x
    x = 6,264,564,738.59/90,584.88
  6. Step 6: Final answer
    x = 69,156.85

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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.