Home / 90,607.25-135,892.35-34,427.68

Finding the Fourth Proportional to 90,607.25, 135,892.35 and 34,427.68

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Solution

The fourth proportional to 90,607.25, 135,892.35 and 34,427.68 is: 51,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.25 : 135,892.35 = 34,427.68 : x
  2. Step 2: Convert to fraction form
    90,607.25/135,892.35 = 34,427.68/x
  3. Step 3: Cross multiply
    90,607.25x = 135,892.35 × 34,427.68
  4. Step 4: Simplify right side
    90,607.25x = 4,678,458,000.52
  5. Step 5: Solve for x
    x = 4,678,458,000.52/90,607.25
  6. Step 6: Final answer
    x = 51,634.48

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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.