Home / 90,402.48-135,606.96-37,739.52

Finding the Fourth Proportional to 90,402.48, 135,606.96 and 37,739.52

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Solution

The fourth proportional to 90,402.48, 135,606.96 and 37,739.52 is: 56,610.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,402.48 : 135,606.96 = 37,739.52 : x
  2. Step 2: Convert to fraction form
    90,402.48/135,606.96 = 37,739.52/x
  3. Step 3: Cross multiply
    90,402.48x = 135,606.96 × 37,739.52
  4. Step 4: Simplify right side
    90,402.48x = 5,117,741,579.06
  5. Step 5: Solve for x
    x = 5,117,741,579.06/90,402.48
  6. Step 6: Final answer
    x = 56,610.63

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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.