Home / 90,564.52-135,670.06-59,305

Finding the Fourth Proportional to 90,564.52, 135,670.06 and 59,305

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Solution

The fourth proportional to 90,564.52, 135,670.06 and 59,305 is: 88,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,564.52 : 135,670.06 = 59,305 : x
  2. Step 2: Convert to fraction form
    90,564.52/135,670.06 = 59,305/x
  3. Step 3: Cross multiply
    90,564.52x = 135,670.06 × 59,305
  4. Step 4: Simplify right side
    90,564.52x = 8,045,912,908.30
  5. Step 5: Solve for x
    x = 8,045,912,908.30/90,564.52
  6. Step 6: Final answer
    x = 88,841.78

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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.