Home / 90,534.52-135,625.20-59,275

Finding the Fourth Proportional to 90,534.52, 135,625.20 and 59,275

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Solution

The fourth proportional to 90,534.52, 135,625.20 and 59,275 is: 88,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,534.52 : 135,625.20 = 59,275 : x
  2. Step 2: Convert to fraction form
    90,534.52/135,625.20 = 59,275/x
  3. Step 3: Cross multiply
    90,534.52x = 135,625.20 × 59,275
  4. Step 4: Simplify right side
    90,534.52x = 8,039,183,730.00
  5. Step 5: Solve for x
    x = 8,039,183,730.00/90,534.52
  6. Step 6: Final answer
    x = 88,796.89

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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.