Home / 90,584.52-135,876.60-59,412.48

Finding the Fourth Proportional to 90,584.52, 135,876.60 and 59,412.48

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Solution

The fourth proportional to 90,584.52, 135,876.60 and 59,412.48 is: 89,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.52 : 135,876.60 = 59,412.48 : x
  2. Step 2: Convert to fraction form
    90,584.52/135,876.60 = 59,412.48/x
  3. Step 3: Cross multiply
    90,584.52x = 135,876.60 × 59,412.48
  4. Step 4: Simplify right side
    90,584.52x = 8,072,765,779.97
  5. Step 5: Solve for x
    x = 8,072,765,779.97/90,584.52
  6. Step 6: Final answer
    x = 89,118.60

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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.