Home / 90,587.43-135,837.26-37,982.79

Finding the Fourth Proportional to 90,587.43, 135,837.26 and 37,982.79

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Solution

The fourth proportional to 90,587.43, 135,837.26 and 37,982.79 is: 56,955.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,587.43 : 135,837.26 = 37,982.79 : x
  2. Step 2: Convert to fraction form
    90,587.43/135,837.26 = 37,982.79/x
  3. Step 3: Cross multiply
    90,587.43x = 135,837.26 × 37,982.79
  4. Step 4: Simplify right side
    90,587.43x = 5,159,477,930.84
  5. Step 5: Solve for x
    x = 5,159,477,930.84/90,587.43
  6. Step 6: Final answer
    x = 56,955.78

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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.